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Finding the Fourth Proportional to 125,814.92, 188,839.02 and 63,529.16

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Solution

The fourth proportional to 125,814.92, 188,839.02 and 63,529.16 is: 95,352.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,814.92 : 188,839.02 = 63,529.16 : x
  2. Step 2: Convert to fraction form
    125,814.92/188,839.02 = 63,529.16/x
  3. Step 3: Cross multiply
    125,814.92x = 188,839.02 × 63,529.16
  4. Step 4: Simplify right side
    125,814.92x = 11,996,784,315.82
  5. Step 5: Solve for x
    x = 11,996,784,315.82/125,814.92
  6. Step 6: Final answer
    x = 95,352.64

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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.