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Finding the Fourth Proportional to 125,123.99, 187,696.22 and 36,377.38

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Solution

The fourth proportional to 125,123.99, 187,696.22 and 36,377.38 is: 54,569.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,123.99 : 187,696.22 = 36,377.38 : x
  2. Step 2: Convert to fraction form
    125,123.99/187,696.22 = 36,377.38/x
  3. Step 3: Cross multiply
    125,123.99x = 187,696.22 × 36,377.38
  4. Step 4: Simplify right side
    125,123.99x = 6,827,896,068.38
  5. Step 5: Solve for x
    x = 6,827,896,068.38/125,123.99
  6. Step 6: Final answer
    x = 54,569.04

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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.