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Finding the Fourth Proportional to 88,042.64, 132,062.64 and 35,450.78

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Solution

The fourth proportional to 88,042.64, 132,062.64 and 35,450.78 is: 53,175.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,042.64 : 132,062.64 = 35,450.78 : x
  2. Step 2: Convert to fraction form
    88,042.64/132,062.64 = 35,450.78/x
  3. Step 3: Cross multiply
    88,042.64x = 132,062.64 × 35,450.78
  4. Step 4: Simplify right side
    88,042.64x = 4,681,723,596.86
  5. Step 5: Solve for x
    x = 4,681,723,596.86/88,042.64
  6. Step 6: Final answer
    x = 53,175.64

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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.