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Finding the Fourth Proportional to 64,149.20, 96,223.80 and 48,597.20

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Solution

The fourth proportional to 64,149.20, 96,223.80 and 48,597.20 is: 72,895.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,149.20 : 96,223.80 = 48,597.20 : x
  2. Step 2: Convert to fraction form
    64,149.20/96,223.80 = 48,597.20/x
  3. Step 3: Cross multiply
    64,149.20x = 96,223.80 × 48,597.20
  4. Step 4: Simplify right side
    64,149.20x = 4,676,207,253.36
  5. Step 5: Solve for x
    x = 4,676,207,253.36/64,149.20
  6. Step 6: Final answer
    x = 72,895.80

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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.