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Finding the Fourth Proportional to 162,489.56, 243,645.03 and 50,139.14

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Solution

The fourth proportional to 162,489.56, 243,645.03 and 50,139.14 is: 75,181.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,489.56 : 243,645.03 = 50,139.14 : x
  2. Step 2: Convert to fraction form
    162,489.56/243,645.03 = 50,139.14/x
  3. Step 3: Cross multiply
    162,489.56x = 243,645.03 × 50,139.14
  4. Step 4: Simplify right side
    162,489.56x = 12,216,151,051.25
  5. Step 5: Solve for x
    x = 12,216,151,051.25/162,489.56
  6. Step 6: Final answer
    x = 75,181.15

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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.