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Finding the Fourth Proportional to 83,043.84, 124,565.06 and 23,879.28

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Solution

The fourth proportional to 83,043.84, 124,565.06 and 23,879.28 is: 35,818.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,043.84 : 124,565.06 = 23,879.28 : x
  2. Step 2: Convert to fraction form
    83,043.84/124,565.06 = 23,879.28/x
  3. Step 3: Cross multiply
    83,043.84x = 124,565.06 × 23,879.28
  4. Step 4: Simplify right side
    83,043.84x = 2,974,523,945.96
  5. Step 5: Solve for x
    x = 2,974,523,945.96/83,043.84
  6. Step 6: Final answer
    x = 35,818.72

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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.