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Finding the Fourth Proportional to 222,002.71, 306,393.72 and 125,226.43

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Solution

The fourth proportional to 222,002.71, 306,393.72 and 125,226.43 is: 172,829.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,002.71 : 306,393.72 = 125,226.43 : x
  2. Step 2: Convert to fraction form
    222,002.71/306,393.72 = 125,226.43/x
  3. Step 3: Cross multiply
    222,002.71x = 306,393.72 × 125,226.43
  4. Step 4: Simplify right side
    222,002.71x = 38,368,591,730.02
  5. Step 5: Solve for x
    x = 38,368,591,730.02/222,002.71
  6. Step 6: Final answer
    x = 172,829.38

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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.