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Finding the Fourth Proportional to 162,443.80, 243,665.70 and 150,002.20

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Solution

The fourth proportional to 162,443.80, 243,665.70 and 150,002.20 is: 225,003.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,443.80 : 243,665.70 = 150,002.20 : x
  2. Step 2: Convert to fraction form
    162,443.80/243,665.70 = 150,002.20/x
  3. Step 3: Cross multiply
    162,443.80x = 243,665.70 × 150,002.20
  4. Step 4: Simplify right side
    162,443.80x = 36,550,391,064.54
  5. Step 5: Solve for x
    x = 36,550,391,064.54/162,443.80
  6. Step 6: Final answer
    x = 225,003.30

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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.