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Finding the Fourth Proportional to 247,227.40, 370,679.10 and 97,377.40

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Solution

The fourth proportional to 247,227.40, 370,679.10 and 97,377.40 is: 146,002.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,227.40 : 370,679.10 = 97,377.40 : x
  2. Step 2: Convert to fraction form
    247,227.40/370,679.10 = 97,377.40/x
  3. Step 3: Cross multiply
    247,227.40x = 370,679.10 × 97,377.40
  4. Step 4: Simplify right side
    247,227.40x = 36,095,766,992.34
  5. Step 5: Solve for x
    x = 36,095,766,992.34/247,227.40
  6. Step 6: Final answer
    x = 146,002.29

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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.