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Finding the Fourth Proportional to 71,696.88, 106,940.25 and 62,262.72

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Solution

The fourth proportional to 71,696.88, 106,940.25 and 62,262.72 is: 92,868.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,696.88 : 106,940.25 = 62,262.72 : x
  2. Step 2: Convert to fraction form
    71,696.88/106,940.25 = 62,262.72/x
  3. Step 3: Cross multiply
    71,696.88x = 106,940.25 × 62,262.72
  4. Step 4: Simplify right side
    71,696.88x = 6,658,390,842.48
  5. Step 5: Solve for x
    x = 6,658,390,842.48/71,696.88
  6. Step 6: Final answer
    x = 92,868.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.