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Finding the Fourth Proportional to 502,157.32, 753,235.98 and 147,171.40

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Solution

The fourth proportional to 502,157.32, 753,235.98 and 147,171.40 is: 220,757.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,157.32 : 753,235.98 = 147,171.40 : x
  2. Step 2: Convert to fraction form
    502,157.32/753,235.98 = 147,171.40/x
  3. Step 3: Cross multiply
    502,157.32x = 753,235.98 × 147,171.40
  4. Step 4: Simplify right side
    502,157.32x = 110,854,793,706.97
  5. Step 5: Solve for x
    x = 110,854,793,706.97/502,157.32
  6. Step 6: Final answer
    x = 220,757.10

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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.