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Finding the Fourth Proportional to 187,323.40, 280,401.90 and 181,491.40

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Solution

The fourth proportional to 187,323.40, 280,401.90 and 181,491.40 is: 271,672.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,323.40 : 280,401.90 = 181,491.40 : x
  2. Step 2: Convert to fraction form
    187,323.40/280,401.90 = 181,491.40/x
  3. Step 3: Cross multiply
    187,323.40x = 280,401.90 × 181,491.40
  4. Step 4: Simplify right side
    187,323.40x = 50,890,533,393.66
  5. Step 5: Solve for x
    x = 50,890,533,393.66/187,323.40
  6. Step 6: Final answer
    x = 271,672.06

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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.