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Finding the Fourth Proportional to 144,429.48, 216,600.48 and 39,234.78

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Solution

The fourth proportional to 144,429.48, 216,600.48 and 39,234.78 is: 58,840.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,429.48 : 216,600.48 = 39,234.78 : x
  2. Step 2: Convert to fraction form
    144,429.48/216,600.48 = 39,234.78/x
  3. Step 3: Cross multiply
    144,429.48x = 216,600.48 × 39,234.78
  4. Step 4: Simplify right side
    144,429.48x = 8,498,272,180.69
  5. Step 5: Solve for x
    x = 8,498,272,180.69/144,429.48
  6. Step 6: Final answer
    x = 58,840.29

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1.5x scale

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.