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Finding the Fourth Proportional to 185,803.67, 278,711.29 and 88,408.93

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Solution

The fourth proportional to 185,803.67, 278,711.29 and 88,408.93 is: 132,616.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,803.67 : 278,711.29 = 88,408.93 : x
  2. Step 2: Convert to fraction form
    185,803.67/278,711.29 = 88,408.93/x
  3. Step 3: Cross multiply
    185,803.67x = 278,711.29 × 88,408.93
  4. Step 4: Simplify right side
    185,803.67x = 24,640,566,927.82
  5. Step 5: Solve for x
    x = 24,640,566,927.82/185,803.67
  6. Step 6: Final answer
    x = 132,616.15

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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.