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Finding the Fourth Proportional to 69,283.52, 103,717.92 and 44,607.68

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Solution

The fourth proportional to 69,283.52, 103,717.92 and 44,607.68 is: 66,778.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,283.52 : 103,717.92 = 44,607.68 : x
  2. Step 2: Convert to fraction form
    69,283.52/103,717.92 = 44,607.68/x
  3. Step 3: Cross multiply
    69,283.52x = 103,717.92 × 44,607.68
  4. Step 4: Simplify right side
    69,283.52x = 4,626,615,785.63
  5. Step 5: Solve for x
    x = 4,626,615,785.63/69,283.52
  6. Step 6: Final answer
    x = 66,778.01

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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.