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Finding the Fourth Proportional to 64,155.84, 96,248.34 and 29,105.52

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Solution

The fourth proportional to 64,155.84, 96,248.34 and 29,105.52 is: 43,664.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,155.84 : 96,248.34 = 29,105.52 : x
  2. Step 2: Convert to fraction form
    64,155.84/96,248.34 = 29,105.52/x
  3. Step 3: Cross multiply
    64,155.84x = 96,248.34 × 29,105.52
  4. Step 4: Simplify right side
    64,155.84x = 2,801,357,984.84
  5. Step 5: Solve for x
    x = 2,801,357,984.84/64,155.84
  6. Step 6: Final answer
    x = 43,664.89

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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.