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Finding the Fourth Proportional to 121,248.73, 181,761.00 and 61,953.69

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Solution

The fourth proportional to 121,248.73, 181,761.00 and 61,953.69 is: 92,873.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,248.73 : 181,761.00 = 61,953.69 : x
  2. Step 2: Convert to fraction form
    121,248.73/181,761.00 = 61,953.69/x
  3. Step 3: Cross multiply
    121,248.73x = 181,761.00 × 61,953.69
  4. Step 4: Simplify right side
    121,248.73x = 11,260,765,097.37
  5. Step 5: Solve for x
    x = 11,260,765,097.37/121,248.73
  6. Step 6: Final answer
    x = 92,873.26

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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.