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Finding the Fourth Proportional to 101,778.66, 152,623.45 and 41,765.97

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Solution

The fourth proportional to 101,778.66, 152,623.45 and 41,765.97 is: 62,630.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,778.66 : 152,623.45 = 41,765.97 : x
  2. Step 2: Convert to fraction form
    101,778.66/152,623.45 = 41,765.97/x
  3. Step 3: Cross multiply
    101,778.66x = 152,623.45 × 41,765.97
  4. Step 4: Simplify right side
    101,778.66x = 6,374,465,779.84
  5. Step 5: Solve for x
    x = 6,374,465,779.84/101,778.66
  6. Step 6: Final answer
    x = 62,630.67

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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.