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Finding the Fourth Proportional to 99,255.17, 148,799.03 and 43,052.97

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Solution

The fourth proportional to 99,255.17, 148,799.03 and 43,052.97 is: 64,543.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,255.17 : 148,799.03 = 43,052.97 : x
  2. Step 2: Convert to fraction form
    99,255.17/148,799.03 = 43,052.97/x
  3. Step 3: Cross multiply
    99,255.17x = 148,799.03 × 43,052.97
  4. Step 4: Simplify right side
    99,255.17x = 6,406,240,174.62
  5. Step 5: Solve for x
    x = 6,406,240,174.62/99,255.17
  6. Step 6: Final answer
    x = 64,543.14

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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.