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Finding the Fourth Proportional to 66,150.80, 98,983.20 and 48,654.80

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Solution

The fourth proportional to 66,150.80, 98,983.20 and 48,654.80 is: 72,803.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,150.80 : 98,983.20 = 48,654.80 : x
  2. Step 2: Convert to fraction form
    66,150.80/98,983.20 = 48,654.80/x
  3. Step 3: Cross multiply
    66,150.80x = 98,983.20 × 48,654.80
  4. Step 4: Simplify right side
    66,150.80x = 4,816,007,799.36
  5. Step 5: Solve for x
    x = 4,816,007,799.36/66,150.80
  6. Step 6: Final answer
    x = 72,803.47

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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.