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Finding the Fourth Proportional to 95,689.96, 132,039.12 and 53,242.72

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Solution

The fourth proportional to 95,689.96, 132,039.12 and 53,242.72 is: 73,467.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,689.96 : 132,039.12 = 53,242.72 : x
  2. Step 2: Convert to fraction form
    95,689.96/132,039.12 = 53,242.72/x
  3. Step 3: Cross multiply
    95,689.96x = 132,039.12 × 53,242.72
  4. Step 4: Simplify right side
    95,689.96x = 7,030,121,895.21
  5. Step 5: Solve for x
    x = 7,030,121,895.21/95,689.96
  6. Step 6: Final answer
    x = 73,467.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.