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Finding the Fourth Proportional to 125,206.71, 187,816.53 and 36,467.12

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Solution

The fourth proportional to 125,206.71, 187,816.53 and 36,467.12 is: 54,702.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,206.71 : 187,816.53 = 36,467.12 : x
  2. Step 2: Convert to fraction form
    125,206.71/187,816.53 = 36,467.12/x
  3. Step 3: Cross multiply
    125,206.71x = 187,816.53 × 36,467.12
  4. Step 4: Simplify right side
    125,206.71x = 6,849,126,998.41
  5. Step 5: Solve for x
    x = 6,849,126,998.41/125,206.71
  6. Step 6: Final answer
    x = 54,702.56

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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.