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Finding the Fourth Proportional to 163,674.52, 225,974.61 and 112,077.97

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Solution

The fourth proportional to 163,674.52, 225,974.61 and 112,077.97 is: 154,738.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,674.52 : 225,974.61 = 112,077.97 : x
  2. Step 2: Convert to fraction form
    163,674.52/225,974.61 = 112,077.97/x
  3. Step 3: Cross multiply
    163,674.52x = 225,974.61 × 112,077.97
  4. Step 4: Simplify right side
    163,674.52x = 25,326,774,430.47
  5. Step 5: Solve for x
    x = 25,326,774,430.47/163,674.52
  6. Step 6: Final answer
    x = 154,738.65

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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.