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Finding the Fourth Proportional to 121,064.73, 181,626.26 and 37,958.73

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Solution

The fourth proportional to 121,064.73, 181,626.26 and 37,958.73 is: 56,947.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,064.73 : 181,626.26 = 37,958.73 : x
  2. Step 2: Convert to fraction form
    121,064.73/181,626.26 = 37,958.73/x
  3. Step 3: Cross multiply
    121,064.73x = 181,626.26 × 37,958.73
  4. Step 4: Simplify right side
    121,064.73x = 6,894,301,974.46
  5. Step 5: Solve for x
    x = 6,894,301,974.46/121,064.73
  6. Step 6: Final answer
    x = 56,947.24

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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.