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Finding the Fourth Proportional to 164,894.80, 247,010.51 and 124,982.05

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Solution

The fourth proportional to 164,894.80, 247,010.51 and 124,982.05 is: 187,221.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,894.80 : 247,010.51 = 124,982.05 : x
  2. Step 2: Convert to fraction form
    164,894.80/247,010.51 = 124,982.05/x
  3. Step 3: Cross multiply
    164,894.80x = 247,010.51 × 124,982.05
  4. Step 4: Simplify right side
    164,894.80x = 30,871,879,286.44
  5. Step 5: Solve for x
    x = 30,871,879,286.44/164,894.80
  6. Step 6: Final answer
    x = 187,221.67

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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.