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Finding the Fourth Proportional to 125,869.40, 188,759.11 and 41,614.01

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Solution

The fourth proportional to 125,869.40, 188,759.11 and 41,614.01 is: 62,406.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,869.40 : 188,759.11 = 41,614.01 : x
  2. Step 2: Convert to fraction form
    125,869.40/188,759.11 = 41,614.01/x
  3. Step 3: Cross multiply
    125,869.40x = 188,759.11 × 41,614.01
  4. Step 4: Simplify right side
    125,869.40x = 7,855,023,491.13
  5. Step 5: Solve for x
    x = 7,855,023,491.13/125,869.40
  6. Step 6: Final answer
    x = 62,406.14

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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.