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Finding the Fourth Proportional to 64,214.64, 96,321.96 and 42,167.52

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Solution

The fourth proportional to 64,214.64, 96,321.96 and 42,167.52 is: 63,251.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,214.64 : 96,321.96 = 42,167.52 : x
  2. Step 2: Convert to fraction form
    64,214.64/96,321.96 = 42,167.52/x
  3. Step 3: Cross multiply
    64,214.64x = 96,321.96 × 42,167.52
  4. Step 4: Simplify right side
    64,214.64x = 4,061,658,174.74
  5. Step 5: Solve for x
    x = 4,061,658,174.74/64,214.64
  6. Step 6: Final answer
    x = 63,251.28

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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.