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Finding the Fourth Proportional to 247,499.70, 371,190.03 and 114,251.95

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Solution

The fourth proportional to 247,499.70, 371,190.03 and 114,251.95 is: 171,350.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,499.70 : 371,190.03 = 114,251.95 : x
  2. Step 2: Convert to fraction form
    247,499.70/371,190.03 = 114,251.95/x
  3. Step 3: Cross multiply
    247,499.70x = 371,190.03 × 114,251.95
  4. Step 4: Simplify right side
    247,499.70x = 42,409,184,748.06
  5. Step 5: Solve for x
    x = 42,409,184,748.06/247,499.70
  6. Step 6: Final answer
    x = 171,350.45

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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.