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Finding the Fourth Proportional to 59,793.60, 89,560.80 and 48,129.60

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Solution

The fourth proportional to 59,793.60, 89,560.80 and 48,129.60 is: 72,090.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,793.60 : 89,560.80 = 48,129.60 : x
  2. Step 2: Convert to fraction form
    59,793.60/89,560.80 = 48,129.60/x
  3. Step 3: Cross multiply
    59,793.60x = 89,560.80 × 48,129.60
  4. Step 4: Simplify right side
    59,793.60x = 4,310,525,479.68
  5. Step 5: Solve for x
    x = 4,310,525,479.68/59,793.60
  6. Step 6: Final answer
    x = 72,090.08

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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.