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Finding the Fourth Proportional to 67,402.96, 101,119.97 and 20,016.97

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Solution

The fourth proportional to 67,402.96, 101,119.97 and 20,016.97 is: 30,030.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,402.96 : 101,119.97 = 20,016.97 : x
  2. Step 2: Convert to fraction form
    67,402.96/101,119.97 = 20,016.97/x
  3. Step 3: Cross multiply
    67,402.96x = 101,119.97 × 20,016.97
  4. Step 4: Simplify right side
    67,402.96x = 2,024,115,715.64
  5. Step 5: Solve for x
    x = 2,024,115,715.64/67,402.96
  6. Step 6: Final answer
    x = 30,030.07

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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.