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Finding the Fourth Proportional to 342,522.74, 513,786.22 and 89,800.96

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Solution

The fourth proportional to 342,522.74, 513,786.22 and 89,800.96 is: 134,701.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,522.74 : 513,786.22 = 89,800.96 : x
  2. Step 2: Convert to fraction form
    342,522.74/513,786.22 = 89,800.96/x
  3. Step 3: Cross multiply
    342,522.74x = 513,786.22 × 89,800.96
  4. Step 4: Simplify right side
    342,522.74x = 46,138,495,790.77
  5. Step 5: Solve for x
    x = 46,138,495,790.77/342,522.74
  6. Step 6: Final answer
    x = 134,701.99

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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.