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Finding the Fourth Proportional to 140,810.01, 209,958.99 and 125,162.01

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Solution

The fourth proportional to 140,810.01, 209,958.99 and 125,162.01 is: 186,626.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,810.01 : 209,958.99 = 125,162.01 : x
  2. Step 2: Convert to fraction form
    140,810.01/209,958.99 = 125,162.01/x
  3. Step 3: Cross multiply
    140,810.01x = 209,958.99 × 125,162.01
  4. Step 4: Simplify right side
    140,810.01x = 26,278,889,205.97
  5. Step 5: Solve for x
    x = 26,278,889,205.97/140,810.01
  6. Step 6: Final answer
    x = 186,626.57

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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.