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Finding the Fourth Proportional to 162,041.20, 243,061.80 and 147,266.80

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Solution

The fourth proportional to 162,041.20, 243,061.80 and 147,266.80 is: 220,900.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,041.20 : 243,061.80 = 147,266.80 : x
  2. Step 2: Convert to fraction form
    162,041.20/243,061.80 = 147,266.80/x
  3. Step 3: Cross multiply
    162,041.20x = 243,061.80 × 147,266.80
  4. Step 4: Simplify right side
    162,041.20x = 35,794,933,488.24
  5. Step 5: Solve for x
    x = 35,794,933,488.24/162,041.20
  6. Step 6: Final answer
    x = 220,900.20

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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.