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Finding the Fourth Proportional to 132,327.68, 182,615.68 and 75,757.28

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Solution

The fourth proportional to 132,327.68, 182,615.68 and 75,757.28 is: 104,547.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,327.68 : 182,615.68 = 75,757.28 : x
  2. Step 2: Convert to fraction form
    132,327.68/182,615.68 = 75,757.28/x
  3. Step 3: Cross multiply
    132,327.68x = 182,615.68 × 75,757.28
  4. Step 4: Simplify right side
    132,327.68x = 13,834,467,202.15
  5. Step 5: Solve for x
    x = 13,834,467,202.15/132,327.68
  6. Step 6: Final answer
    x = 104,547.04

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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.