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Finding the Fourth Proportional to 376,472.98, 564,793.71 and 127,148.50

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Solution

The fourth proportional to 376,472.98, 564,793.71 and 127,148.50 is: 190,751.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,472.98 : 564,793.71 = 127,148.50 : x
  2. Step 2: Convert to fraction form
    376,472.98/564,793.71 = 127,148.50/x
  3. Step 3: Cross multiply
    376,472.98x = 564,793.71 × 127,148.50
  4. Step 4: Simplify right side
    376,472.98x = 71,812,673,035.94
  5. Step 5: Solve for x
    x = 71,812,673,035.94/376,472.98
  6. Step 6: Final answer
    x = 190,751.20

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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.