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Finding the Fourth Proportional to 156,482.62, 234,764.88 and 67,715.32

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Solution

The fourth proportional to 156,482.62, 234,764.88 and 67,715.32 is: 101,590.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,482.62 : 234,764.88 = 67,715.32 : x
  2. Step 2: Convert to fraction form
    156,482.62/234,764.88 = 67,715.32/x
  3. Step 3: Cross multiply
    156,482.62x = 234,764.88 × 67,715.32
  4. Step 4: Simplify right side
    156,482.62x = 15,897,178,973.96
  5. Step 5: Solve for x
    x = 15,897,178,973.96/156,482.62
  6. Step 6: Final answer
    x = 101,590.70

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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.