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Finding the Fourth Proportional to 88,007.72, 132,025.35 and 31,841.92

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Solution

The fourth proportional to 88,007.72, 132,025.35 and 31,841.92 is: 47,767.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,007.72 : 132,025.35 = 31,841.92 : x
  2. Step 2: Convert to fraction form
    88,007.72/132,025.35 = 31,841.92/x
  3. Step 3: Cross multiply
    88,007.72x = 132,025.35 × 31,841.92
  4. Step 4: Simplify right side
    88,007.72x = 4,203,939,972.55
  5. Step 5: Solve for x
    x = 4,203,939,972.55/88,007.72
  6. Step 6: Final answer
    x = 47,767.85

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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.