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Finding the Fourth Proportional to 187,701.58, 281,579.80 and 54,564.52

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Solution

The fourth proportional to 187,701.58, 281,579.80 and 54,564.52 is: 81,854.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,701.58 : 281,579.80 = 54,564.52 : x
  2. Step 2: Convert to fraction form
    187,701.58/281,579.80 = 54,564.52/x
  3. Step 3: Cross multiply
    187,701.58x = 281,579.80 × 54,564.52
  4. Step 4: Simplify right side
    187,701.58x = 15,364,266,628.70
  5. Step 5: Solve for x
    x = 15,364,266,628.70/187,701.58
  6. Step 6: Final answer
    x = 81,854.75

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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.