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Finding the Fourth Proportional to 247,162.76, 370,772.96 and 89,465.48

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Solution

The fourth proportional to 247,162.76, 370,772.96 and 89,465.48 is: 134,208.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,162.76 : 370,772.96 = 89,465.48 : x
  2. Step 2: Convert to fraction form
    247,162.76/370,772.96 = 89,465.48/x
  3. Step 3: Cross multiply
    247,162.76x = 370,772.96 × 89,465.48
  4. Step 4: Simplify right side
    247,162.76x = 33,171,380,837.42
  5. Step 5: Solve for x
    x = 33,171,380,837.42/247,162.76
  6. Step 6: Final answer
    x = 134,208.65

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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.