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Finding the Fourth Proportional to 95,422.80, 143,134.20 and 93,235.80

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Solution

The fourth proportional to 95,422.80, 143,134.20 and 93,235.80 is: 139,853.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,422.80 : 143,134.20 = 93,235.80 : x
  2. Step 2: Convert to fraction form
    95,422.80/143,134.20 = 93,235.80/x
  3. Step 3: Cross multiply
    95,422.80x = 143,134.20 × 93,235.80
  4. Step 4: Simplify right side
    95,422.80x = 13,345,231,644.36
  5. Step 5: Solve for x
    x = 13,345,231,644.36/95,422.80
  6. Step 6: Final answer
    x = 139,853.70

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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.