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Finding the Fourth Proportional to 109,358.24, 150,915.96 and 60,958.88

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Solution

The fourth proportional to 109,358.24, 150,915.96 and 60,958.88 is: 84,124.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,358.24 : 150,915.96 = 60,958.88 : x
  2. Step 2: Convert to fraction form
    109,358.24/150,915.96 = 60,958.88/x
  3. Step 3: Cross multiply
    109,358.24x = 150,915.96 × 60,958.88
  4. Step 4: Simplify right side
    109,358.24x = 9,199,667,895.72
  5. Step 5: Solve for x
    x = 9,199,667,895.72/109,358.24
  6. Step 6: Final answer
    x = 84,124.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.