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Finding the Fourth Proportional to 77,654.43, 116,396.42 and 44,301.76

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Solution

The fourth proportional to 77,654.43, 116,396.42 and 44,301.76 is: 66,404.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,654.43 : 116,396.42 = 44,301.76 : x
  2. Step 2: Convert to fraction form
    77,654.43/116,396.42 = 44,301.76/x
  3. Step 3: Cross multiply
    77,654.43x = 116,396.42 × 44,301.76
  4. Step 4: Simplify right side
    77,654.43x = 5,156,565,751.20
  5. Step 5: Solve for x
    x = 5,156,565,751.20/77,654.43
  6. Step 6: Final answer
    x = 66,404.01

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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.