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Finding the Fourth Proportional to 109,230.92, 150,709.17 and 63,920.13

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Solution

The fourth proportional to 109,230.92, 150,709.17 and 63,920.13 is: 88,192.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,230.92 : 150,709.17 = 63,920.13 : x
  2. Step 2: Convert to fraction form
    109,230.92/150,709.17 = 63,920.13/x
  3. Step 3: Cross multiply
    109,230.92x = 150,709.17 × 63,920.13
  4. Step 4: Simplify right side
    109,230.92x = 9,633,349,738.59
  5. Step 5: Solve for x
    x = 9,633,349,738.59/109,230.92
  6. Step 6: Final answer
    x = 88,192.52

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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.