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Finding the Fourth Proportional to 162,309.60, 243,694.80 and 100,101.60

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Solution

The fourth proportional to 162,309.60, 243,694.80 and 100,101.60 is: 150,294.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,309.60 : 243,694.80 = 100,101.60 : x
  2. Step 2: Convert to fraction form
    162,309.60/243,694.80 = 100,101.60/x
  3. Step 3: Cross multiply
    162,309.60x = 243,694.80 × 100,101.60
  4. Step 4: Simplify right side
    162,309.60x = 24,394,239,391.68
  5. Step 5: Solve for x
    x = 24,394,239,391.68/162,309.60
  6. Step 6: Final answer
    x = 150,294.50

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1.5x scale

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.