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Finding the Fourth Proportional to 62,091.78, 93,137.70 and 15,344.70

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Solution

The fourth proportional to 62,091.78, 93,137.70 and 15,344.70 is: 23,017.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,091.78 : 93,137.70 = 15,344.70 : x
  2. Step 2: Convert to fraction form
    62,091.78/93,137.70 = 15,344.70/x
  3. Step 3: Cross multiply
    62,091.78x = 93,137.70 × 15,344.70
  4. Step 4: Simplify right side
    62,091.78x = 1,429,170,065.19
  5. Step 5: Solve for x
    x = 1,429,170,065.19/62,091.78
  6. Step 6: Final answer
    x = 23,017.06

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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.