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Finding the Fourth Proportional to 222,713.52, 307,272.42 and 125,908.02

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Solution

The fourth proportional to 222,713.52, 307,272.42 and 125,908.02 is: 173,712.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,713.52 : 307,272.42 = 125,908.02 : x
  2. Step 2: Convert to fraction form
    222,713.52/307,272.42 = 125,908.02/x
  3. Step 3: Cross multiply
    222,713.52x = 307,272.42 × 125,908.02
  4. Step 4: Simplify right side
    222,713.52x = 38,688,062,002.81
  5. Step 5: Solve for x
    x = 38,688,062,002.81/222,713.52
  6. Step 6: Final answer
    x = 173,712.23

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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.