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Finding the Fourth Proportional to 108,354.30, 162,422.10 and 49,232.40

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Solution

The fourth proportional to 108,354.30, 162,422.10 and 49,232.40 is: 73,798.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,354.30 : 162,422.10 = 49,232.40 : x
  2. Step 2: Convert to fraction form
    108,354.30/162,422.10 = 49,232.40/x
  3. Step 3: Cross multiply
    108,354.30x = 162,422.10 × 49,232.40
  4. Step 4: Simplify right side
    108,354.30x = 7,996,429,796.04
  5. Step 5: Solve for x
    x = 7,996,429,796.04/108,354.30
  6. Step 6: Final answer
    x = 73,798.92

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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.