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Finding the Fourth Proportional to 104,706.10, 157,059.15 and 62,715.70

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Solution

The fourth proportional to 104,706.10, 157,059.15 and 62,715.70 is: 94,073.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,706.10 : 157,059.15 = 62,715.70 : x
  2. Step 2: Convert to fraction form
    104,706.10/157,059.15 = 62,715.70/x
  3. Step 3: Cross multiply
    104,706.10x = 157,059.15 × 62,715.70
  4. Step 4: Simplify right side
    104,706.10x = 9,850,074,533.66
  5. Step 5: Solve for x
    x = 9,850,074,533.66/104,706.10
  6. Step 6: Final answer
    x = 94,073.55

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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.