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Finding the Fourth Proportional to 137,896.55, 206,653.46 and 62,833.25

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Solution

The fourth proportional to 137,896.55, 206,653.46 and 62,833.25 is: 94,162.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,896.55 : 206,653.46 = 62,833.25 : x
  2. Step 2: Convert to fraction form
    137,896.55/206,653.46 = 62,833.25/x
  3. Step 3: Cross multiply
    137,896.55x = 206,653.46 × 62,833.25
  4. Step 4: Simplify right side
    137,896.55x = 12,984,708,515.55
  5. Step 5: Solve for x
    x = 12,984,708,515.55/137,896.55
  6. Step 6: Final answer
    x = 94,162.68

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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.