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Finding the Fourth Proportional to 169,554.12, 234,005.40 and 97,934.06

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Solution

The fourth proportional to 169,554.12, 234,005.40 and 97,934.06 is: 135,160.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,554.12 : 234,005.40 = 97,934.06 : x
  2. Step 2: Convert to fraction form
    169,554.12/234,005.40 = 97,934.06/x
  3. Step 3: Cross multiply
    169,554.12x = 234,005.40 × 97,934.06
  4. Step 4: Simplify right side
    169,554.12x = 22,917,098,883.92
  5. Step 5: Solve for x
    x = 22,917,098,883.92/169,554.12
  6. Step 6: Final answer
    x = 135,160.97

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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.