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Finding the Fourth Proportional to 247,364.70, 370,974.15 and 97,555.20

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Solution

The fourth proportional to 247,364.70, 370,974.15 and 97,555.20 is: 146,304.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,364.70 : 370,974.15 = 97,555.20 : x
  2. Step 2: Convert to fraction form
    247,364.70/370,974.15 = 97,555.20/x
  3. Step 3: Cross multiply
    247,364.70x = 370,974.15 × 97,555.20
  4. Step 4: Simplify right side
    247,364.70x = 36,190,457,398.08
  5. Step 5: Solve for x
    x = 36,190,457,398.08/247,364.70
  6. Step 6: Final answer
    x = 146,304.05

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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.