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Finding the Fourth Proportional to 64,165.60, 96,246.60 and 29,105.20

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Solution

The fourth proportional to 64,165.60, 96,246.60 and 29,105.20 is: 43,656.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,165.60 : 96,246.60 = 29,105.20 : x
  2. Step 2: Convert to fraction form
    64,165.60/96,246.60 = 29,105.20/x
  3. Step 3: Cross multiply
    64,165.60x = 96,246.60 × 29,105.20
  4. Step 4: Simplify right side
    64,165.60x = 2,801,276,542.32
  5. Step 5: Solve for x
    x = 2,801,276,542.32/64,165.60
  6. Step 6: Final answer
    x = 43,656.98

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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.