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Finding the Fourth Proportional to 61,480.51, 92,258.97 and 55,564.54

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Solution

The fourth proportional to 61,480.51, 92,258.97 and 55,564.54 is: 83,381.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,480.51 : 92,258.97 = 55,564.54 : x
  2. Step 2: Convert to fraction form
    61,480.51/92,258.97 = 55,564.54/x
  3. Step 3: Cross multiply
    61,480.51x = 92,258.97 × 55,564.54
  4. Step 4: Simplify right side
    61,480.51x = 5,126,326,789.91
  5. Step 5: Solve for x
    x = 5,126,326,789.91/61,480.51
  6. Step 6: Final answer
    x = 83,381.33

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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.