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Finding the Fourth Proportional to 121,959.65, 182,894.01 and 41,975.25

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Solution

The fourth proportional to 121,959.65, 182,894.01 and 41,975.25 is: 62,947.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,959.65 : 182,894.01 = 41,975.25 : x
  2. Step 2: Convert to fraction form
    121,959.65/182,894.01 = 41,975.25/x
  3. Step 3: Cross multiply
    121,959.65x = 182,894.01 × 41,975.25
  4. Step 4: Simplify right side
    121,959.65x = 7,677,021,793.25
  5. Step 5: Solve for x
    x = 7,677,021,793.25/121,959.65
  6. Step 6: Final answer
    x = 62,947.23

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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.