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Finding the Fourth Proportional to 59,260.70, 81,845.78 and 54,776.66

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Solution

The fourth proportional to 59,260.70, 81,845.78 and 54,776.66 is: 75,652.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,260.70 : 81,845.78 = 54,776.66 : x
  2. Step 2: Convert to fraction form
    59,260.70/81,845.78 = 54,776.66/x
  3. Step 3: Cross multiply
    59,260.70x = 81,845.78 × 54,776.66
  4. Step 4: Simplify right side
    59,260.70x = 4,483,238,788.24
  5. Step 5: Solve for x
    x = 4,483,238,788.24/59,260.70
  6. Step 6: Final answer
    x = 75,652.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.