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Finding the Fourth Proportional to 85,332.70, 127,895.23 and 60,379.93

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Solution

The fourth proportional to 85,332.70, 127,895.23 and 60,379.93 is: 90,496.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,332.70 : 127,895.23 = 60,379.93 : x
  2. Step 2: Convert to fraction form
    85,332.70/127,895.23 = 60,379.93/x
  3. Step 3: Cross multiply
    85,332.70x = 127,895.23 × 60,379.93
  4. Step 4: Simplify right side
    85,332.70x = 7,722,305,034.73
  5. Step 5: Solve for x
    x = 7,722,305,034.73/85,332.70
  6. Step 6: Final answer
    x = 90,496.43

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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.