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Finding the Fourth Proportional to 59,257.93, 88,900.79 and 40,546.78

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Solution

The fourth proportional to 59,257.93, 88,900.79 and 40,546.78 is: 60,829.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,257.93 : 88,900.79 = 40,546.78 : x
  2. Step 2: Convert to fraction form
    59,257.93/88,900.79 = 40,546.78/x
  3. Step 3: Cross multiply
    59,257.93x = 88,900.79 × 40,546.78
  4. Step 4: Simplify right side
    59,257.93x = 3,604,640,577.05
  5. Step 5: Solve for x
    x = 3,604,640,577.05/59,257.93
  6. Step 6: Final answer
    x = 60,829.67

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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.