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Finding the Fourth Proportional to 152,874.72, 229,310.60 and 92,919.74

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Solution

The fourth proportional to 152,874.72, 229,310.60 and 92,919.74 is: 139,378.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,874.72 : 229,310.60 = 92,919.74 : x
  2. Step 2: Convert to fraction form
    152,874.72/229,310.60 = 92,919.74/x
  3. Step 3: Cross multiply
    152,874.72x = 229,310.60 × 92,919.74
  4. Step 4: Simplify right side
    152,874.72x = 21,307,479,720.09
  5. Step 5: Solve for x
    x = 21,307,479,720.09/152,874.72
  6. Step 6: Final answer
    x = 139,378.70

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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.