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Finding the Fourth Proportional to 162,006.80, 243,010.20 and 132,482.30

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Solution

The fourth proportional to 162,006.80, 243,010.20 and 132,482.30 is: 198,723.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,006.80 : 243,010.20 = 132,482.30 : x
  2. Step 2: Convert to fraction form
    162,006.80/243,010.20 = 132,482.30/x
  3. Step 3: Cross multiply
    162,006.80x = 243,010.20 × 132,482.30
  4. Step 4: Simplify right side
    162,006.80x = 32,194,550,219.46
  5. Step 5: Solve for x
    x = 32,194,550,219.46/162,006.80
  6. Step 6: Final answer
    x = 198,723.45

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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.