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Finding the Fourth Proportional to 247,527.70, 371,232.09 and 114,280

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Solution

The fourth proportional to 247,527.70, 371,232.09 and 114,280 is: 171,392.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,527.70 : 371,232.09 = 114,280 : x
  2. Step 2: Convert to fraction form
    247,527.70/371,232.09 = 114,280/x
  3. Step 3: Cross multiply
    247,527.70x = 371,232.09 × 114,280
  4. Step 4: Simplify right side
    247,527.70x = 42,424,403,245.20
  5. Step 5: Solve for x
    x = 42,424,403,245.20/247,527.70
  6. Step 6: Final answer
    x = 171,392.55

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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.