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Finding the Fourth Proportional to 64,151.30, 96,044.70 and 60,660.20

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Solution

The fourth proportional to 64,151.30, 96,044.70 and 60,660.20 is: 90,817.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,151.30 : 96,044.70 = 60,660.20 : x
  2. Step 2: Convert to fraction form
    64,151.30/96,044.70 = 60,660.20/x
  3. Step 3: Cross multiply
    64,151.30x = 96,044.70 × 60,660.20
  4. Step 4: Simplify right side
    64,151.30x = 5,826,090,710.94
  5. Step 5: Solve for x
    x = 5,826,090,710.94/64,151.30
  6. Step 6: Final answer
    x = 90,817.97

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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.