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Finding the Fourth Proportional to 233,920.16, 322,809.56 and 126,489.92

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Solution

The fourth proportional to 233,920.16, 322,809.56 and 126,489.92 is: 174,555.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,920.16 : 322,809.56 = 126,489.92 : x
  2. Step 2: Convert to fraction form
    233,920.16/322,809.56 = 126,489.92/x
  3. Step 3: Cross multiply
    233,920.16x = 322,809.56 × 126,489.92
  4. Step 4: Simplify right side
    233,920.16x = 40,832,155,419.64
  5. Step 5: Solve for x
    x = 40,832,155,419.64/233,920.16
  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.