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Finding the Fourth Proportional to 169,253.15, 252,366.56 and 164,603.04

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Solution

The fourth proportional to 169,253.15, 252,366.56 and 164,603.04 is: 245,432.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,253.15 : 252,366.56 = 164,603.04 : x
  2. Step 2: Convert to fraction form
    169,253.15/252,366.56 = 164,603.04/x
  3. Step 3: Cross multiply
    169,253.15x = 252,366.56 × 164,603.04
  4. Step 4: Simplify right side
    169,253.15x = 41,540,304,328.22
  5. Step 5: Solve for x
    x = 41,540,304,328.22/169,253.15
  6. Step 6: Final answer
    x = 245,432.97

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.