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Finding the Fourth Proportional to 227,181.68, 313,512.78 and 125,210.78

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Solution

The fourth proportional to 227,181.68, 313,512.78 and 125,210.78 is: 172,792.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,181.68 : 313,512.78 = 125,210.78 : x
  2. Step 2: Convert to fraction form
    227,181.68/313,512.78 = 125,210.78/x
  3. Step 3: Cross multiply
    227,181.68x = 313,512.78 × 125,210.78
  4. Step 4: Simplify right side
    227,181.68x = 39,255,179,723.77
  5. Step 5: Solve for x
    x = 39,255,179,723.77/227,181.68
  6. Step 6: Final answer
    x = 172,792.01

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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.