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Finding the Fourth Proportional to 109,191.43, 150,684.11 and 61,444.82

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Solution

The fourth proportional to 109,191.43, 150,684.11 and 61,444.82 is: 84,793.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,191.43 : 150,684.11 = 61,444.82 : x
  2. Step 2: Convert to fraction form
    109,191.43/150,684.11 = 61,444.82/x
  3. Step 3: Cross multiply
    109,191.43x = 150,684.11 × 61,444.82
  4. Step 4: Simplify right side
    109,191.43x = 9,258,758,315.71
  5. Step 5: Solve for x
    x = 9,258,758,315.71/109,191.43
  6. Step 6: Final answer
    x = 84,793.82

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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.