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Finding the Fourth Proportional to 69,874.52, 104,608.53 and 62,661.60

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Solution

The fourth proportional to 69,874.52, 104,608.53 and 62,661.60 is: 93,810.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,874.52 : 104,608.53 = 62,661.60 : x
  2. Step 2: Convert to fraction form
    69,874.52/104,608.53 = 62,661.60/x
  3. Step 3: Cross multiply
    69,874.52x = 104,608.53 × 62,661.60
  4. Step 4: Simplify right side
    69,874.52x = 6,554,937,863.45
  5. Step 5: Solve for x
    x = 6,554,937,863.45/69,874.52
  6. Step 6: Final answer
    x = 93,810.14

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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.