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Finding the Fourth Proportional to 247,162.05, 370,799.91 and 89,390.52

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Solution

The fourth proportional to 247,162.05, 370,799.91 and 89,390.52 is: 134,106.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,162.05 : 370,799.91 = 89,390.52 : x
  2. Step 2: Convert to fraction form
    247,162.05/370,799.91 = 89,390.52/x
  3. Step 3: Cross multiply
    247,162.05x = 370,799.91 × 89,390.52
  4. Step 4: Simplify right side
    247,162.05x = 33,145,996,770.85
  5. Step 5: Solve for x
    x = 33,145,996,770.85/247,162.05
  6. Step 6: Final answer
    x = 134,106.34

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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.