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Finding the Fourth Proportional to 101,250.22, 139,725.57 and 55,927.39

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Solution

The fourth proportional to 101,250.22, 139,725.57 and 55,927.39 is: 77,179.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,250.22 : 139,725.57 = 55,927.39 : x
  2. Step 2: Convert to fraction form
    101,250.22/139,725.57 = 55,927.39/x
  3. Step 3: Cross multiply
    101,250.22x = 139,725.57 × 55,927.39
  4. Step 4: Simplify right side
    101,250.22x = 7,814,486,446.36
  5. Step 5: Solve for x
    x = 7,814,486,446.36/101,250.22
  6. Step 6: Final answer
    x = 77,179.95

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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.