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Finding the Fourth Proportional to 48,267.20, 72,400.80 and 29,835.20

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Solution

The fourth proportional to 48,267.20, 72,400.80 and 29,835.20 is: 44,752.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,267.20 : 72,400.80 = 29,835.20 : x
  2. Step 2: Convert to fraction form
    48,267.20/72,400.80 = 29,835.20/x
  3. Step 3: Cross multiply
    48,267.20x = 72,400.80 × 29,835.20
  4. Step 4: Simplify right side
    48,267.20x = 2,160,092,348.16
  5. Step 5: Solve for x
    x = 2,160,092,348.16/48,267.20
  6. Step 6: Final answer
    x = 44,752.80

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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.