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Finding the Fourth Proportional to 247,626.64, 341,718.96 and 145,632.16

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Solution

The fourth proportional to 247,626.64, 341,718.96 and 145,632.16 is: 200,968.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,626.64 : 341,718.96 = 145,632.16 : x
  2. Step 2: Convert to fraction form
    247,626.64/341,718.96 = 145,632.16/x
  3. Step 3: Cross multiply
    247,626.64x = 341,718.96 × 145,632.16
  4. Step 4: Simplify right side
    247,626.64x = 49,765,270,257.75
  5. Step 5: Solve for x
    x = 49,765,270,257.75/247,626.64
  6. Step 6: Final answer
    x = 200,968.97

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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.