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Finding the Fourth Proportional to 247,168.70, 370,680.15 and 97,359.20

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Solution

The fourth proportional to 247,168.70, 370,680.15 and 97,359.20 is: 146,010.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,168.70 : 370,680.15 = 97,359.20 : x
  2. Step 2: Convert to fraction form
    247,168.70/370,680.15 = 97,359.20/x
  3. Step 3: Cross multiply
    247,168.70x = 370,680.15 × 97,359.20
  4. Step 4: Simplify right side
    247,168.70x = 36,089,122,859.88
  5. Step 5: Solve for x
    x = 36,089,122,859.88/247,168.70
  6. Step 6: Final answer
    x = 146,010.08

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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.