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Finding the Fourth Proportional to 502,113.52, 753,176.36 and 147,134.74

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Solution

The fourth proportional to 502,113.52, 753,176.36 and 147,134.74 is: 220,703.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,113.52 : 753,176.36 = 147,134.74 : x
  2. Step 2: Convert to fraction form
    502,113.52/753,176.36 = 147,134.74/x
  3. Step 3: Cross multiply
    502,113.52x = 753,176.36 × 147,134.74
  4. Step 4: Simplify right side
    502,113.52x = 110,818,407,902.75
  5. Step 5: Solve for x
    x = 110,818,407,902.75/502,113.52
  6. Step 6: Final answer
    x = 220,703.89

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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.