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Finding the Fourth Proportional to 187,751.01, 281,643.84 and 61,391.91

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Solution

The fourth proportional to 187,751.01, 281,643.84 and 61,391.91 is: 92,093.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,751.01 : 281,643.84 = 61,391.91 : x
  2. Step 2: Convert to fraction form
    187,751.01/281,643.84 = 61,391.91/x
  3. Step 3: Cross multiply
    187,751.01x = 281,643.84 × 61,391.91
  4. Step 4: Simplify right side
    187,751.01x = 17,290,653,277.33
  5. Step 5: Solve for x
    x = 17,290,653,277.33/187,751.01
  6. Step 6: Final answer
    x = 92,093.53

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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.