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Finding the Fourth Proportional to 162,770.80, 244,156.20 and 99,785.20

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Solution

The fourth proportional to 162,770.80, 244,156.20 and 99,785.20 is: 149,677.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,770.80 : 244,156.20 = 99,785.20 : x
  2. Step 2: Convert to fraction form
    162,770.80/244,156.20 = 99,785.20/x
  3. Step 3: Cross multiply
    162,770.80x = 244,156.20 × 99,785.20
  4. Step 4: Simplify right side
    162,770.80x = 24,363,175,248.24
  5. Step 5: Solve for x
    x = 24,363,175,248.24/162,770.80
  6. Step 6: Final answer
    x = 149,677.80

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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.