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Finding the Fourth Proportional to 88,232.40, 132,129.90 and 56,593.80

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Solution

The fourth proportional to 88,232.40, 132,129.90 and 56,593.80 is: 84,750.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,232.40 : 132,129.90 = 56,593.80 : x
  2. Step 2: Convert to fraction form
    88,232.40/132,129.90 = 56,593.80/x
  3. Step 3: Cross multiply
    88,232.40x = 132,129.90 × 56,593.80
  4. Step 4: Simplify right side
    88,232.40x = 7,477,733,134.62
  5. Step 5: Solve for x
    x = 7,477,733,134.62/88,232.40
  6. Step 6: Final answer
    x = 84,750.42

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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.