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Finding the Fourth Proportional to 108,158.95, 162,253.95 and 33,285.43

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Solution

The fourth proportional to 108,158.95, 162,253.95 and 33,285.43 is: 49,932.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,158.95 : 162,253.95 = 33,285.43 : x
  2. Step 2: Convert to fraction form
    108,158.95/162,253.95 = 33,285.43/x
  3. Step 3: Cross multiply
    108,158.95x = 162,253.95 × 33,285.43
  4. Step 4: Simplify right side
    108,158.95x = 5,400,692,494.95
  5. Step 5: Solve for x
    x = 5,400,692,494.95/108,158.95
  6. Step 6: Final answer
    x = 49,932.92

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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.