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Finding the Fourth Proportional to 136,888.49, 205,046.32 and 110,089.61

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Solution

The fourth proportional to 136,888.49, 205,046.32 and 110,089.61 is: 164,904.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,888.49 : 205,046.32 = 110,089.61 : x
  2. Step 2: Convert to fraction form
    136,888.49/205,046.32 = 110,089.61/x
  3. Step 3: Cross multiply
    136,888.49x = 205,046.32 × 110,089.61
  4. Step 4: Simplify right side
    136,888.49x = 22,573,469,638.13
  5. Step 5: Solve for x
    x = 22,573,469,638.13/136,888.49
  6. Step 6: Final answer
    x = 164,904.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.