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Finding the Fourth Proportional to 125,951.80, 188,927.70 and 109,549.30

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Solution

The fourth proportional to 125,951.80, 188,927.70 and 109,549.30 is: 164,323.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,951.80 : 188,927.70 = 109,549.30 : x
  2. Step 2: Convert to fraction form
    125,951.80/188,927.70 = 109,549.30/x
  3. Step 3: Cross multiply
    125,951.80x = 188,927.70 × 109,549.30
  4. Step 4: Simplify right side
    125,951.80x = 20,696,897,285.61
  5. Step 5: Solve for x
    x = 20,696,897,285.61/125,951.80
  6. Step 6: Final answer
    x = 164,323.95

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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.