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Finding the Fourth Proportional to 225,092.54, 310,723.36 and 140,251.52

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Solution

The fourth proportional to 225,092.54, 310,723.36 and 140,251.52 is: 193,606.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,092.54 : 310,723.36 = 140,251.52 : x
  2. Step 2: Convert to fraction form
    225,092.54/310,723.36 = 140,251.52/x
  3. Step 3: Cross multiply
    225,092.54x = 310,723.36 × 140,251.52
  4. Step 4: Simplify right side
    225,092.54x = 43,579,423,539.51
  5. Step 5: Solve for x
    x = 43,579,423,539.51/225,092.54
  6. Step 6: Final answer
    x = 193,606.70

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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.