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Finding the Fourth Proportional to 101,246.33, 139,721.27 and 55,924.20

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Solution

The fourth proportional to 101,246.33, 139,721.27 and 55,924.20 is: 77,176.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,246.33 : 139,721.27 = 55,924.20 : x
  2. Step 2: Convert to fraction form
    101,246.33/139,721.27 = 55,924.20/x
  3. Step 3: Cross multiply
    101,246.33x = 139,721.27 × 55,924.20
  4. Step 4: Simplify right side
    101,246.33x = 7,813,800,247.73
  5. Step 5: Solve for x
    x = 7,813,800,247.73/101,246.33
  6. Step 6: Final answer
    x = 77,176.13

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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.