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Finding the Fourth Proportional to 59,241.80, 88,718.70 and 31,478.60

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Solution

The fourth proportional to 59,241.80, 88,718.70 and 31,478.60 is: 47,141.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,241.80 : 88,718.70 = 31,478.60 : x
  2. Step 2: Convert to fraction form
    59,241.80/88,718.70 = 31,478.60/x
  3. Step 3: Cross multiply
    59,241.80x = 88,718.70 × 31,478.60
  4. Step 4: Simplify right side
    59,241.80x = 2,792,740,469.82
  5. Step 5: Solve for x
    x = 2,792,740,469.82/59,241.80
  6. Step 6: Final answer
    x = 47,141.38

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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.