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Finding the Fourth Proportional to 45,492,772.65, 68,239,158.98 and 45,492,772.65

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Solution

The fourth proportional to 45,492,772.65, 68,239,158.98 and 45,492,772.65 is: 68,239,158.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,492,772.65 : 68,239,158.98 = 45,492,772.65 : x
  2. Step 2: Convert to fraction form
    45,492,772.65/68,239,158.98 = 45,492,772.65/x
  3. Step 3: Cross multiply
    45,492,772.65x = 68,239,158.98 × 45,492,772.65
  4. Step 4: Simplify right side
    45,492,772.65x = 3,104,388,545,076,881.50
  5. Step 5: Solve for x
    x = 3,104,388,545,076,881.50/45,492,772.65
  6. Step 6: Final answer
    x = 68,239,158.98

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.