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Finding the Fourth Proportional to 247,356.20, 370,961.40 and 97,546.70

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Solution

The fourth proportional to 247,356.20, 370,961.40 and 97,546.70 is: 146,291.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,356.20 : 370,961.40 = 97,546.70 : x
  2. Step 2: Convert to fraction form
    247,356.20/370,961.40 = 97,546.70/x
  3. Step 3: Cross multiply
    247,356.20x = 370,961.40 × 97,546.70
  4. Step 4: Simplify right side
    247,356.20x = 36,186,060,397.38
  5. Step 5: Solve for x
    x = 36,186,060,397.38/247,356.20
  6. Step 6: Final answer
    x = 146,291.30

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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.