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Finding the Fourth Proportional to 59,378.80, 88,969.20 and 41,817.28

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Solution

The fourth proportional to 59,378.80, 88,969.20 and 41,817.28 is: 62,656.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,378.80 : 88,969.20 = 41,817.28 : x
  2. Step 2: Convert to fraction form
    59,378.80/88,969.20 = 41,817.28/x
  3. Step 3: Cross multiply
    59,378.80x = 88,969.20 × 41,817.28
  4. Step 4: Simplify right side
    59,378.80x = 3,720,449,947.78
  5. Step 5: Solve for x
    x = 3,720,449,947.78/59,378.80
  6. Step 6: Final answer
    x = 62,656.20

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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.