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Finding the Fourth Proportional to 79,070.92, 118,605.69 and 32,290.96

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Solution

The fourth proportional to 79,070.92, 118,605.69 and 32,290.96 is: 48,436.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,070.92 : 118,605.69 = 32,290.96 : x
  2. Step 2: Convert to fraction form
    79,070.92/118,605.69 = 32,290.96/x
  3. Step 3: Cross multiply
    79,070.92x = 118,605.69 × 32,290.96
  4. Step 4: Simplify right side
    79,070.92x = 3,829,891,591.56
  5. Step 5: Solve for x
    x = 3,829,891,591.56/79,070.92
  6. Step 6: Final answer
    x = 48,436.16

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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.