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Finding the Fourth Proportional to 77,581.44, 107,062.49 and 44,047.44

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Solution

The fourth proportional to 77,581.44, 107,062.49 and 44,047.44 is: 60,785.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,581.44 : 107,062.49 = 44,047.44 : x
  2. Step 2: Convert to fraction form
    77,581.44/107,062.49 = 44,047.44/x
  3. Step 3: Cross multiply
    77,581.44x = 107,062.49 × 44,047.44
  4. Step 4: Simplify right side
    77,581.44x = 4,715,828,384.29
  5. Step 5: Solve for x
    x = 4,715,828,384.29/77,581.44
  6. Step 6: Final answer
    x = 60,785.52

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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.