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Finding the Fourth Proportional to 57,404.88, 86,140.72 and 24,122.40

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Solution

The fourth proportional to 57,404.88, 86,140.72 and 24,122.40 is: 36,197.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,404.88 : 86,140.72 = 24,122.40 : x
  2. Step 2: Convert to fraction form
    57,404.88/86,140.72 = 24,122.40/x
  3. Step 3: Cross multiply
    57,404.88x = 86,140.72 × 24,122.40
  4. Step 4: Simplify right side
    57,404.88x = 2,077,920,904.13
  5. Step 5: Solve for x
    x = 2,077,920,904.13/57,404.88
  6. Step 6: Final answer
    x = 36,197.64

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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.