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Finding the Fourth Proportional to 225,042.52, 310,557.86 and 124,440.52

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Solution

The fourth proportional to 225,042.52, 310,557.86 and 124,440.52 is: 171,727.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,042.52 : 310,557.86 = 124,440.52 : x
  2. Step 2: Convert to fraction form
    225,042.52/310,557.86 = 124,440.52/x
  3. Step 3: Cross multiply
    225,042.52x = 310,557.86 × 124,440.52
  4. Step 4: Simplify right side
    225,042.52x = 38,645,981,588.49
  5. Step 5: Solve for x
    x = 38,645,981,588.49/225,042.52
  6. Step 6: Final answer
    x = 171,727.47

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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.