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Finding the Fourth Proportional to 162,801.70, 244,202.55 and 57,631.30

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Solution

The fourth proportional to 162,801.70, 244,202.55 and 57,631.30 is: 86,446.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,801.70 : 244,202.55 = 57,631.30 : x
  2. Step 2: Convert to fraction form
    162,801.70/244,202.55 = 57,631.30/x
  3. Step 3: Cross multiply
    162,801.70x = 244,202.55 × 57,631.30
  4. Step 4: Simplify right side
    162,801.70x = 14,073,710,419.82
  5. Step 5: Solve for x
    x = 14,073,710,419.82/162,801.70
  6. Step 6: Final answer
    x = 86,446.95

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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.