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Finding the Fourth Proportional to 83,319.84, 124,940.88 and 48,269.52

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Solution

The fourth proportional to 83,319.84, 124,940.88 and 48,269.52 is: 72,381.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,319.84 : 124,940.88 = 48,269.52 : x
  2. Step 2: Convert to fraction form
    83,319.84/124,940.88 = 48,269.52/x
  3. Step 3: Cross multiply
    83,319.84x = 124,940.88 × 48,269.52
  4. Step 4: Simplify right side
    83,319.84x = 6,030,836,305.98
  5. Step 5: Solve for x
    x = 6,030,836,305.98/83,319.84
  6. Step 6: Final answer
    x = 72,381.76

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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.