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Finding the Fourth Proportional to 175,680.80, 262,916.40 and 105,610.40

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Solution

The fourth proportional to 175,680.80, 262,916.40 and 105,610.40 is: 158,052.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,680.80 : 262,916.40 = 105,610.40 : x
  2. Step 2: Convert to fraction form
    175,680.80/262,916.40 = 105,610.40/x
  3. Step 3: Cross multiply
    175,680.80x = 262,916.40 × 105,610.40
  4. Step 4: Simplify right side
    175,680.80x = 27,766,706,170.56
  5. Step 5: Solve for x
    x = 27,766,706,170.56/175,680.80
  6. Step 6: Final answer
    x = 158,052.02

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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.