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Finding the Fourth Proportional to 88,295.80, 132,516.60 and 40,983.70

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Solution

The fourth proportional to 88,295.80, 132,516.60 and 40,983.70 is: 61,509.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,295.80 : 132,516.60 = 40,983.70 : x
  2. Step 2: Convert to fraction form
    88,295.80/132,516.60 = 40,983.70/x
  3. Step 3: Cross multiply
    88,295.80x = 132,516.60 × 40,983.70
  4. Step 4: Simplify right side
    88,295.80x = 5,431,020,579.42
  5. Step 5: Solve for x
    x = 5,431,020,579.42/88,295.80
  6. Step 6: Final answer
    x = 61,509.39

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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.