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Finding the Fourth Proportional to 72,092.32, 99,472.19 and 41,862.00

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Solution

The fourth proportional to 72,092.32, 99,472.19 and 41,862.00 is: 57,760.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,092.32 : 99,472.19 = 41,862.00 : x
  2. Step 2: Convert to fraction form
    72,092.32/99,472.19 = 41,862.00/x
  3. Step 3: Cross multiply
    72,092.32x = 99,472.19 × 41,862.00
  4. Step 4: Simplify right side
    72,092.32x = 4,164,104,835.93
  5. Step 5: Solve for x
    x = 4,164,104,835.93/72,092.32
  6. Step 6: Final answer
    x = 57,760.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.