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Finding the Fourth Proportional to 71,599.28, 98,842.92 and 44,756.72

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Solution

The fourth proportional to 71,599.28, 98,842.92 and 44,756.72 is: 61,786.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,599.28 : 98,842.92 = 44,756.72 : x
  2. Step 2: Convert to fraction form
    71,599.28/98,842.92 = 44,756.72/x
  3. Step 3: Cross multiply
    71,599.28x = 98,842.92 × 44,756.72
  4. Step 4: Simplify right side
    71,599.28x = 4,423,884,894.42
  5. Step 5: Solve for x
    x = 4,423,884,894.42/71,599.28
  6. Step 6: Final answer
    x = 61,786.72

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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.