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Finding the Fourth Proportional to 162,562.80, 243,844.20 and 140,401.20

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Solution

The fourth proportional to 162,562.80, 243,844.20 and 140,401.20 is: 210,601.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,562.80 : 243,844.20 = 140,401.20 : x
  2. Step 2: Convert to fraction form
    162,562.80/243,844.20 = 140,401.20/x
  3. Step 3: Cross multiply
    162,562.80x = 243,844.20 × 140,401.20
  4. Step 4: Simplify right side
    162,562.80x = 34,236,018,293.04
  5. Step 5: Solve for x
    x = 34,236,018,293.04/162,562.80
  6. Step 6: Final answer
    x = 210,601.80

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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.