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Finding the Fourth Proportional to 125,755.71, 188,663.54 and 37,012.11

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Solution

The fourth proportional to 125,755.71, 188,663.54 and 37,012.11 is: 55,526.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,755.71 : 188,663.54 = 37,012.11 : x
  2. Step 2: Convert to fraction form
    125,755.71/188,663.54 = 37,012.11/x
  3. Step 3: Cross multiply
    125,755.71x = 188,663.54 × 37,012.11
  4. Step 4: Simplify right side
    125,755.71x = 6,982,835,510.41
  5. Step 5: Solve for x
    x = 6,982,835,510.41/125,755.71
  6. Step 6: Final answer
    x = 55,526.99

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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.