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Finding the Fourth Proportional to 222,463.48, 307,018.52 and 125,685.12

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Solution

The fourth proportional to 222,463.48, 307,018.52 and 125,685.12 is: 173,456.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,463.48 : 307,018.52 = 125,685.12 : x
  2. Step 2: Convert to fraction form
    222,463.48/307,018.52 = 125,685.12/x
  3. Step 3: Cross multiply
    222,463.48x = 307,018.52 × 125,685.12
  4. Step 4: Simplify right side
    222,463.48x = 38,587,659,528.42
  5. Step 5: Solve for x
    x = 38,587,659,528.42/222,463.48
  6. Step 6: Final answer
    x = 173,456.15

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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.