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Finding the Fourth Proportional to 233,920.15, 322,809.57 and 126,489.91

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Solution

The fourth proportional to 233,920.15, 322,809.57 and 126,489.91 is: 174,555.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,920.15 : 322,809.57 = 126,489.91 : x
  2. Step 2: Convert to fraction form
    233,920.15/322,809.57 = 126,489.91/x
  3. Step 3: Cross multiply
    233,920.15x = 322,809.57 × 126,489.91
  4. Step 4: Simplify right side
    233,920.15x = 40,832,153,456.44
  5. Step 5: Solve for x
    x = 40,832,153,456.44/233,920.15
  6. Step 6: Final answer
    x = 174,555.95

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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.