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Finding the Fourth Proportional to 137,859.94, 206,817.57 and 62,959.95

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Solution

The fourth proportional to 137,859.94, 206,817.57 and 62,959.95 is: 94,452.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,859.94 : 206,817.57 = 62,959.95 : x
  2. Step 2: Convert to fraction form
    137,859.94/206,817.57 = 62,959.95/x
  3. Step 3: Cross multiply
    137,859.94x = 206,817.57 × 62,959.95
  4. Step 4: Simplify right side
    137,859.94x = 13,021,223,866.32
  5. Step 5: Solve for x
    x = 13,021,223,866.32/137,859.94
  6. Step 6: Final answer
    x = 94,452.56

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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.