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Finding the Fourth Proportional to 88,457.68, 132,685.68 and 35,854.64

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Solution

The fourth proportional to 88,457.68, 132,685.68 and 35,854.64 is: 53,781.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,457.68 : 132,685.68 = 35,854.64 : x
  2. Step 2: Convert to fraction form
    88,457.68/132,685.68 = 35,854.64/x
  3. Step 3: Cross multiply
    88,457.68x = 132,685.68 × 35,854.64
  4. Step 4: Simplify right side
    88,457.68x = 4,757,397,289.56
  5. Step 5: Solve for x
    x = 4,757,397,289.56/88,457.68
  6. Step 6: Final answer
    x = 53,781.62

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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.