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Finding the Fourth Proportional to 162,335.80, 243,503.70 and 132,811.30

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Solution

The fourth proportional to 162,335.80, 243,503.70 and 132,811.30 is: 199,216.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,335.80 : 243,503.70 = 132,811.30 : x
  2. Step 2: Convert to fraction form
    162,335.80/243,503.70 = 132,811.30/x
  3. Step 3: Cross multiply
    162,335.80x = 243,503.70 × 132,811.30
  4. Step 4: Simplify right side
    162,335.80x = 32,340,042,951.81
  5. Step 5: Solve for x
    x = 32,340,042,951.81/162,335.80
  6. Step 6: Final answer
    x = 199,216.95

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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.