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Finding the Fourth Proportional to 187,246.58, 280,858.89 and 54,123.89

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Solution

The fourth proportional to 187,246.58, 280,858.89 and 54,123.89 is: 81,182.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,246.58 : 280,858.89 = 54,123.89 : x
  2. Step 2: Convert to fraction form
    187,246.58/280,858.89 = 54,123.89/x
  3. Step 3: Cross multiply
    187,246.58x = 280,858.89 × 54,123.89
  4. Step 4: Simplify right side
    187,246.58x = 15,201,175,667.88
  5. Step 5: Solve for x
    x = 15,201,175,667.88/187,246.58
  6. Step 6: Final answer
    x = 81,182.66

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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.