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Finding the Fourth Proportional to 187,220.25, 280,830.42 and 62,561.25

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Solution

The fourth proportional to 187,220.25, 280,830.42 and 62,561.25 is: 93,841.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,220.25 : 280,830.42 = 62,561.25 : x
  2. Step 2: Convert to fraction form
    187,220.25/280,830.42 = 62,561.25/x
  3. Step 3: Cross multiply
    187,220.25x = 280,830.42 × 62,561.25
  4. Step 4: Simplify right side
    187,220.25x = 17,569,102,113.23
  5. Step 5: Solve for x
    x = 17,569,102,113.23/187,220.25
  6. Step 6: Final answer
    x = 93,841.89

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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.