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Finding the Fourth Proportional to 61,726.57, 92,050.31 and 54,922.57

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Solution

The fourth proportional to 61,726.57, 92,050.31 and 54,922.57 is: 81,903.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,726.57 : 92,050.31 = 54,922.57 : x
  2. Step 2: Convert to fraction form
    61,726.57/92,050.31 = 54,922.57/x
  3. Step 3: Cross multiply
    61,726.57x = 92,050.31 × 54,922.57
  4. Step 4: Simplify right side
    61,726.57x = 5,055,639,501.68
  5. Step 5: Solve for x
    x = 5,055,639,501.68/61,726.57
  6. Step 6: Final answer
    x = 81,903.78

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.