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Finding the Fourth Proportional to 78,414.29, 108,187.88 and 44,417.37

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Solution

The fourth proportional to 78,414.29, 108,187.88 and 44,417.37 is: 61,282.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,414.29 : 108,187.88 = 44,417.37 : x
  2. Step 2: Convert to fraction form
    78,414.29/108,187.88 = 44,417.37/x
  3. Step 3: Cross multiply
    78,414.29x = 108,187.88 × 44,417.37
  4. Step 4: Simplify right side
    78,414.29x = 4,805,420,873.39
  5. Step 5: Solve for x
    x = 4,805,420,873.39/78,414.29
  6. Step 6: Final answer
    x = 61,282.47

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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.