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Finding the Fourth Proportional to 191,793.40, 287,474.10 and 92,001.40

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Solution

The fourth proportional to 191,793.40, 287,474.10 and 92,001.40 is: 137,898.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,793.40 : 287,474.10 = 92,001.40 : x
  2. Step 2: Convert to fraction form
    191,793.40/287,474.10 = 92,001.40/x
  3. Step 3: Cross multiply
    191,793.40x = 287,474.10 × 92,001.40
  4. Step 4: Simplify right side
    191,793.40x = 26,448,019,663.74
  5. Step 5: Solve for x
    x = 26,448,019,663.74/191,793.40
  6. Step 6: Final answer
    x = 137,898.49

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.