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Finding the Fourth Proportional to 162,801.30, 244,201.95 and 103,679.40

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Solution

The fourth proportional to 162,801.30, 244,201.95 and 103,679.40 is: 155,519.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,801.30 : 244,201.95 = 103,679.40 : x
  2. Step 2: Convert to fraction form
    162,801.30/244,201.95 = 103,679.40/x
  3. Step 3: Cross multiply
    162,801.30x = 244,201.95 × 103,679.40
  4. Step 4: Simplify right side
    162,801.30x = 25,318,711,654.83
  5. Step 5: Solve for x
    x = 25,318,711,654.83/162,801.30
  6. Step 6: Final answer
    x = 155,519.10

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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.