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Finding the Fourth Proportional to 108,375.84, 162,452.16 and 61,529.76

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Solution

The fourth proportional to 108,375.84, 162,452.16 and 61,529.76 is: 92,231.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,375.84 : 162,452.16 = 61,529.76 : x
  2. Step 2: Convert to fraction form
    108,375.84/162,452.16 = 61,529.76/x
  3. Step 3: Cross multiply
    108,375.84x = 162,452.16 × 61,529.76
  4. Step 4: Simplify right side
    108,375.84x = 9,995,642,416.28
  5. Step 5: Solve for x
    x = 9,995,642,416.28/108,375.84
  6. Step 6: Final answer
    x = 92,231.28

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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.