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Finding the Fourth Proportional to 125,892.42, 188,955.27 and 63,606.66

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Solution

The fourth proportional to 125,892.42, 188,955.27 and 63,606.66 is: 95,468.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,892.42 : 188,955.27 = 63,606.66 : x
  2. Step 2: Convert to fraction form
    125,892.42/188,955.27 = 63,606.66/x
  3. Step 3: Cross multiply
    125,892.42x = 188,955.27 × 63,606.66
  4. Step 4: Simplify right side
    125,892.42x = 12,018,813,614.10
  5. Step 5: Solve for x
    x = 12,018,813,614.10/125,892.42
  6. Step 6: Final answer
    x = 95,468.92

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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.