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Finding the Fourth Proportional to 318,079.98, 477,122.04 and 93,439.50

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Solution

The fourth proportional to 318,079.98, 477,122.04 and 93,439.50 is: 140,159.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,079.98 : 477,122.04 = 93,439.50 : x
  2. Step 2: Convert to fraction form
    318,079.98/477,122.04 = 93,439.50/x
  3. Step 3: Cross multiply
    318,079.98x = 477,122.04 × 93,439.50
  4. Step 4: Simplify right side
    318,079.98x = 44,582,044,856.58
  5. Step 5: Solve for x
    x = 44,582,044,856.58/318,079.98
  6. Step 6: Final answer
    x = 140,159.86

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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.