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Finding the Fourth Proportional to 59,211.60, 88,644.60 and 52,990.80

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Solution

The fourth proportional to 59,211.60, 88,644.60 and 52,990.80 is: 79,331.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,211.60 : 88,644.60 = 52,990.80 : x
  2. Step 2: Convert to fraction form
    59,211.60/88,644.60 = 52,990.80/x
  3. Step 3: Cross multiply
    59,211.60x = 88,644.60 × 52,990.80
  4. Step 4: Simplify right side
    59,211.60x = 4,697,348,269.68
  5. Step 5: Solve for x
    x = 4,697,348,269.68/59,211.60
  6. Step 6: Final answer
    x = 79,331.55

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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.