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Finding the Fourth Proportional to 61,481.51, 92,260.47 and 55,565.54

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Solution

The fourth proportional to 61,481.51, 92,260.47 and 55,565.54 is: 83,382.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,481.51 : 92,260.47 = 55,565.54 : x
  2. Step 2: Convert to fraction form
    61,481.51/92,260.47 = 55,565.54/x
  3. Step 3: Cross multiply
    61,481.51x = 92,260.47 × 55,565.54
  4. Step 4: Simplify right side
    61,481.51x = 5,126,502,836.20
  5. Step 5: Solve for x
    x = 5,126,502,836.20/61,481.51
  6. Step 6: Final answer
    x = 83,382.84

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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.