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Finding the Fourth Proportional to 88,230.40, 132,126.90 and 56,591.80

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Solution

The fourth proportional to 88,230.40, 132,126.90 and 56,591.80 is: 84,747.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,230.40 : 132,126.90 = 56,591.80 : x
  2. Step 2: Convert to fraction form
    88,230.40/132,126.90 = 56,591.80/x
  3. Step 3: Cross multiply
    88,230.40x = 132,126.90 × 56,591.80
  4. Step 4: Simplify right side
    88,230.40x = 7,477,299,099.42
  5. Step 5: Solve for x
    x = 7,477,299,099.42/88,230.40
  6. Step 6: Final answer
    x = 84,747.42

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1.5x scale

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.