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Finding the Fourth Proportional to 117,998.20, 176,802.90 and 58,706.20

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Solution

The fourth proportional to 117,998.20, 176,802.90 and 58,706.20 is: 87,962.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,998.20 : 176,802.90 = 58,706.20 : x
  2. Step 2: Convert to fraction form
    117,998.20/176,802.90 = 58,706.20/x
  3. Step 3: Cross multiply
    117,998.20x = 176,802.90 × 58,706.20
  4. Step 4: Simplify right side
    117,998.20x = 10,379,426,407.98
  5. Step 5: Solve for x
    x = 10,379,426,407.98/117,998.20
  6. Step 6: Final answer
    x = 87,962.58

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1.5x scale

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.