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Finding the Fourth Proportional to 187,843.78, 281,876.24 and 69,597.56

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Solution

The fourth proportional to 187,843.78, 281,876.24 and 69,597.56 is: 104,437.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,843.78 : 281,876.24 = 69,597.56 : x
  2. Step 2: Convert to fraction form
    187,843.78/281,876.24 = 69,597.56/x
  3. Step 3: Cross multiply
    187,843.78x = 281,876.24 × 69,597.56
  4. Step 4: Simplify right side
    187,843.78x = 19,617,898,525.97
  5. Step 5: Solve for x
    x = 19,617,898,525.97/187,843.78
  6. Step 6: Final answer
    x = 104,437.31

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1.5x scale

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.