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Finding the Fourth Proportional to 267,387.16, 401,081.65 and 67,707.45

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Solution

The fourth proportional to 267,387.16, 401,081.65 and 67,707.45 is: 101,561.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,387.16 : 401,081.65 = 67,707.45 : x
  2. Step 2: Convert to fraction form
    267,387.16/401,081.65 = 67,707.45/x
  3. Step 3: Cross multiply
    267,387.16x = 401,081.65 × 67,707.45
  4. Step 4: Simplify right side
    267,387.16x = 27,156,215,763.29
  5. Step 5: Solve for x
    x = 27,156,215,763.29/267,387.16
  6. Step 6: Final answer
    x = 101,561.41

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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.