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Finding the Fourth Proportional to 169,271.12, 233,472.84 and 111,843.92

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Solution

The fourth proportional to 169,271.12, 233,472.84 and 111,843.92 is: 154,264.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,271.12 : 233,472.84 = 111,843.92 : x
  2. Step 2: Convert to fraction form
    169,271.12/233,472.84 = 111,843.92/x
  3. Step 3: Cross multiply
    169,271.12x = 233,472.84 × 111,843.92
  4. Step 4: Simplify right side
    169,271.12x = 26,112,517,639.13
  5. Step 5: Solve for x
    x = 26,112,517,639.13/169,271.12
  6. Step 6: Final answer
    x = 154,264.46

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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.