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Finding the Fourth Proportional to 186,751.50, 280,129.68 and 62,092.50

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Solution

The fourth proportional to 186,751.50, 280,129.68 and 62,092.50 is: 93,139.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,751.50 : 280,129.68 = 62,092.50 : x
  2. Step 2: Convert to fraction form
    186,751.50/280,129.68 = 62,092.50/x
  3. Step 3: Cross multiply
    186,751.50x = 280,129.68 × 62,092.50
  4. Step 4: Simplify right side
    186,751.50x = 17,393,952,155.40
  5. Step 5: Solve for x
    x = 17,393,952,155.40/186,751.50
  6. Step 6: Final answer
    x = 93,139.56

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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.