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Finding the Fourth Proportional to 162,462.60, 243,037.80 and 140,519.70

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Solution

The fourth proportional to 162,462.60, 243,037.80 and 140,519.70 is: 210,212.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,462.60 : 243,037.80 = 140,519.70 : x
  2. Step 2: Convert to fraction form
    162,462.60/243,037.80 = 140,519.70/x
  3. Step 3: Cross multiply
    162,462.60x = 243,037.80 × 140,519.70
  4. Step 4: Simplify right side
    162,462.60x = 34,151,598,744.66
  5. Step 5: Solve for x
    x = 34,151,598,744.66/162,462.60
  6. Step 6: Final answer
    x = 210,212.07

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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.