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Finding the Fourth Proportional to 187,444.30, 281,202.90 and 54,328.90

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Solution

The fourth proportional to 187,444.30, 281,202.90 and 54,328.90 is: 81,503.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,444.30 : 281,202.90 = 54,328.90 : x
  2. Step 2: Convert to fraction form
    187,444.30/281,202.90 = 54,328.90/x
  3. Step 3: Cross multiply
    187,444.30x = 281,202.90 × 54,328.90
  4. Step 4: Simplify right side
    187,444.30x = 15,277,444,233.81
  5. Step 5: Solve for x
    x = 15,277,444,233.81/187,444.30
  6. Step 6: Final answer
    x = 81,503.91

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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.