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Finding the Fourth Proportional to 185,775.98, 278,609.27 and 52,667.87

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Solution

The fourth proportional to 185,775.98, 278,609.27 and 52,667.87 is: 78,986.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,775.98 : 278,609.27 = 52,667.87 : x
  2. Step 2: Convert to fraction form
    185,775.98/278,609.27 = 52,667.87/x
  3. Step 3: Cross multiply
    185,775.98x = 278,609.27 × 52,667.87
  4. Step 4: Simplify right side
    185,775.98x = 14,673,755,156.77
  5. Step 5: Solve for x
    x = 14,673,755,156.77/185,775.98
  6. Step 6: Final answer
    x = 78,986.29

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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.