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Finding the Fourth Proportional to 78,479.00, 108,304.73 and 44,488.15

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Solution

The fourth proportional to 78,479.00, 108,304.73 and 44,488.15 is: 61,395.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,479.00 : 108,304.73 = 44,488.15 : x
  2. Step 2: Convert to fraction form
    78,479.00/108,304.73 = 44,488.15/x
  3. Step 3: Cross multiply
    78,479.00x = 108,304.73 × 44,488.15
  4. Step 4: Simplify right side
    78,479.00x = 4,818,277,356.79
  5. Step 5: Solve for x
    x = 4,818,277,356.79/78,479.00
  6. Step 6: Final answer
    x = 61,395.75

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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.