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Finding the Fourth Proportional to 219,753.42, 329,679.12 and 93,397.64

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Solution

The fourth proportional to 219,753.42, 329,679.12 and 93,397.64 is: 140,117.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,753.42 : 329,679.12 = 93,397.64 : x
  2. Step 2: Convert to fraction form
    219,753.42/329,679.12 = 93,397.64/x
  3. Step 3: Cross multiply
    219,753.42x = 329,679.12 × 93,397.64
  4. Step 4: Simplify right side
    219,753.42x = 30,791,251,765.28
  5. Step 5: Solve for x
    x = 30,791,251,765.28/219,753.42
  6. Step 6: Final answer
    x = 140,117.28

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1.5x scale

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.