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Finding the Fourth Proportional to 77,696.55, 116,500.17 and 37,701.79

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Solution

The fourth proportional to 77,696.55, 116,500.17 and 37,701.79 is: 56,531.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,696.55 : 116,500.17 = 37,701.79 : x
  2. Step 2: Convert to fraction form
    77,696.55/116,500.17 = 37,701.79/x
  3. Step 3: Cross multiply
    77,696.55x = 116,500.17 × 37,701.79
  4. Step 4: Simplify right side
    77,696.55x = 4,392,264,794.44
  5. Step 5: Solve for x
    x = 4,392,264,794.44/77,696.55
  6. Step 6: Final answer
    x = 56,531.01

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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.