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Finding the Fourth Proportional to 68,375.19, 94,227.24 and 49,221.17

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Solution

The fourth proportional to 68,375.19, 94,227.24 and 49,221.17 is: 67,831.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,375.19 : 94,227.24 = 49,221.17 : x
  2. Step 2: Convert to fraction form
    68,375.19/94,227.24 = 49,221.17/x
  3. Step 3: Cross multiply
    68,375.19x = 94,227.24 × 49,221.17
  4. Step 4: Simplify right side
    68,375.19x = 4,637,974,719.38
  5. Step 5: Solve for x
    x = 4,637,974,719.38/68,375.19
  6. Step 6: Final answer
    x = 67,831.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.