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Finding the Fourth Proportional to 232,340.28, 348,531.21 and 90,182.22

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Solution

The fourth proportional to 232,340.28, 348,531.21 and 90,182.22 is: 135,281.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,340.28 : 348,531.21 = 90,182.22 : x
  2. Step 2: Convert to fraction form
    232,340.28/348,531.21 = 90,182.22/x
  3. Step 3: Cross multiply
    232,340.28x = 348,531.21 × 90,182.22
  4. Step 4: Simplify right side
    232,340.28x = 31,431,318,257.09
  5. Step 5: Solve for x
    x = 31,431,318,257.09/232,340.28
  6. Step 6: Final answer
    x = 135,281.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.