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Finding the Fourth Proportional to 125,634.34, 188,472.03 and 36,890.74

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Solution

The fourth proportional to 125,634.34, 188,472.03 and 36,890.74 is: 55,342.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,634.34 : 188,472.03 = 36,890.74 : x
  2. Step 2: Convert to fraction form
    125,634.34/188,472.03 = 36,890.74/x
  3. Step 3: Cross multiply
    125,634.34x = 188,472.03 × 36,890.74
  4. Step 4: Simplify right side
    125,634.34x = 6,952,872,656.00
  5. Step 5: Solve for x
    x = 6,952,872,656.00/125,634.34
  6. Step 6: Final answer
    x = 55,342.14

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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.