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Finding the Fourth Proportional to 90,052.66, 124,289.84 and 59,371.89

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Solution

The fourth proportional to 90,052.66, 124,289.84 and 59,371.89 is: 81,944.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,052.66 : 124,289.84 = 59,371.89 : x
  2. Step 2: Convert to fraction form
    90,052.66/124,289.84 = 59,371.89/x
  3. Step 3: Cross multiply
    90,052.66x = 124,289.84 × 59,371.89
  4. Step 4: Simplify right side
    90,052.66x = 7,379,322,390.94
  5. Step 5: Solve for x
    x = 7,379,322,390.94/90,052.66
  6. Step 6: Final answer
    x = 81,944.52

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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.