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Finding the Fourth Proportional to 79,061.60, 118,585.92 and 22,899.44

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Solution

The fourth proportional to 79,061.60, 118,585.92 and 22,899.44 is: 34,347.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,061.60 : 118,585.92 = 22,899.44 : x
  2. Step 2: Convert to fraction form
    79,061.60/118,585.92 = 22,899.44/x
  3. Step 3: Cross multiply
    79,061.60x = 118,585.92 × 22,899.44
  4. Step 4: Simplify right side
    79,061.60x = 2,715,551,159.88
  5. Step 5: Solve for x
    x = 2,715,551,159.88/79,061.60
  6. Step 6: Final answer
    x = 34,347.28

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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.