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Finding the Fourth Proportional to 247,161.76, 370,771.46 and 89,464.48

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Solution

The fourth proportional to 247,161.76, 370,771.46 and 89,464.48 is: 134,207.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,161.76 : 370,771.46 = 89,464.48 : x
  2. Step 2: Convert to fraction form
    247,161.76/370,771.46 = 89,464.48/x
  3. Step 3: Cross multiply
    247,161.76x = 370,771.46 × 89,464.48
  4. Step 4: Simplify right side
    247,161.76x = 33,170,875,867.74
  5. Step 5: Solve for x
    x = 33,170,875,867.74/247,161.76
  6. Step 6: Final answer
    x = 134,207.15

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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.