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Finding the Fourth Proportional to 64,770.60, 97,184.13 and 22,680.90

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Solution

The fourth proportional to 64,770.60, 97,184.13 and 22,680.90 is: 34,031.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,770.60 : 97,184.13 = 22,680.90 : x
  2. Step 2: Convert to fraction form
    64,770.60/97,184.13 = 22,680.90/x
  3. Step 3: Cross multiply
    64,770.60x = 97,184.13 × 22,680.90
  4. Step 4: Simplify right side
    64,770.60x = 2,204,223,534.12
  5. Step 5: Solve for x
    x = 2,204,223,534.12/64,770.60
  6. Step 6: Final answer
    x = 34,031.24

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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.