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Finding the Fourth Proportional to 162,301.80, 243,452.70 and 149,860.20

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Solution

The fourth proportional to 162,301.80, 243,452.70 and 149,860.20 is: 224,790.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,301.80 : 243,452.70 = 149,860.20 : x
  2. Step 2: Convert to fraction form
    162,301.80/243,452.70 = 149,860.20/x
  3. Step 3: Cross multiply
    162,301.80x = 243,452.70 × 149,860.20
  4. Step 4: Simplify right side
    162,301.80x = 36,483,870,312.54
  5. Step 5: Solve for x
    x = 36,483,870,312.54/162,301.80
  6. Step 6: Final answer
    x = 224,790.30

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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.