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Finding the Fourth Proportional to 88,234.40, 132,049.20 and 53,199.20

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Solution

The fourth proportional to 88,234.40, 132,049.20 and 53,199.20 is: 79,616.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,234.40 : 132,049.20 = 53,199.20 : x
  2. Step 2: Convert to fraction form
    88,234.40/132,049.20 = 53,199.20/x
  3. Step 3: Cross multiply
    88,234.40x = 132,049.20 × 53,199.20
  4. Step 4: Simplify right side
    88,234.40x = 7,024,911,800.64
  5. Step 5: Solve for x
    x = 7,024,911,800.64/88,234.40
  6. Step 6: Final answer
    x = 79,616.47

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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.