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Finding the Fourth Proportional to 95,548.80, 143,150.40 and 77,923.20

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Solution

The fourth proportional to 95,548.80, 143,150.40 and 77,923.20 is: 116,743.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,548.80 : 143,150.40 = 77,923.20 : x
  2. Step 2: Convert to fraction form
    95,548.80/143,150.40 = 77,923.20/x
  3. Step 3: Cross multiply
    95,548.80x = 143,150.40 × 77,923.20
  4. Step 4: Simplify right side
    95,548.80x = 11,154,737,249.28
  5. Step 5: Solve for x
    x = 11,154,737,249.28/95,548.80
  6. Step 6: Final answer
    x = 116,743.88

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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.