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Finding the Fourth Proportional to 104,644.41, 156,963.12 and 45,480.08

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Solution

The fourth proportional to 104,644.41, 156,963.12 and 45,480.08 is: 68,218.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,644.41 : 156,963.12 = 45,480.08 : x
  2. Step 2: Convert to fraction form
    104,644.41/156,963.12 = 45,480.08/x
  3. Step 3: Cross multiply
    104,644.41x = 156,963.12 × 45,480.08
  4. Step 4: Simplify right side
    104,644.41x = 7,138,695,254.65
  5. Step 5: Solve for x
    x = 7,138,695,254.65/104,644.41
  6. Step 6: Final answer
    x = 68,218.60

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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.