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Finding the Fourth Proportional to 234,990.16, 324,286.60 and 127,560.16

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Solution

The fourth proportional to 234,990.16, 324,286.60 and 127,560.16 is: 176,033.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,990.16 : 324,286.60 = 127,560.16 : x
  2. Step 2: Convert to fraction form
    234,990.16/324,286.60 = 127,560.16/x
  3. Step 3: Cross multiply
    234,990.16x = 324,286.60 × 127,560.16
  4. Step 4: Simplify right side
    234,990.16x = 41,366,050,581.86
  5. Step 5: Solve for x
    x = 41,366,050,581.86/234,990.16
  6. Step 6: Final answer
    x = 176,033.12

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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.