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Finding the Fourth Proportional to 162,869.70, 244,304.55 and 156,964.80

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Solution

The fourth proportional to 162,869.70, 244,304.55 and 156,964.80 is: 235,447.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,869.70 : 244,304.55 = 156,964.80 : x
  2. Step 2: Convert to fraction form
    162,869.70/244,304.55 = 156,964.80/x
  3. Step 3: Cross multiply
    162,869.70x = 244,304.55 × 156,964.80
  4. Step 4: Simplify right side
    162,869.70x = 38,347,214,829.84
  5. Step 5: Solve for x
    x = 38,347,214,829.84/162,869.70
  6. Step 6: Final answer
    x = 235,447.20

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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.