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Finding the Fourth Proportional to 71,771.76, 99,043.56 and 44,929.07

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Solution

The fourth proportional to 71,771.76, 99,043.56 and 44,929.07 is: 62,001.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,771.76 : 99,043.56 = 44,929.07 : x
  2. Step 2: Convert to fraction form
    71,771.76/99,043.56 = 44,929.07/x
  3. Step 3: Cross multiply
    71,771.76x = 99,043.56 × 44,929.07
  4. Step 4: Simplify right side
    71,771.76x = 4,449,935,040.29
  5. Step 5: Solve for x
    x = 4,449,935,040.29/71,771.76
  6. Step 6: Final answer
    x = 62,001.20

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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.