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Finding the Fourth Proportional to 247,684.73, 371,274.90 and 97,719.17

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Solution

The fourth proportional to 247,684.73, 371,274.90 and 97,719.17 is: 146,479.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,684.73 : 371,274.90 = 97,719.17 : x
  2. Step 2: Convert to fraction form
    247,684.73/371,274.90 = 97,719.17/x
  3. Step 3: Cross multiply
    247,684.73x = 371,274.90 × 97,719.17
  4. Step 4: Simplify right side
    247,684.73x = 36,280,673,213.46
  5. Step 5: Solve for x
    x = 36,280,673,213.46/247,684.73
  6. Step 6: Final answer
    x = 146,479.25

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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.