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Finding the Fourth Proportional to 101,255.49, 139,732.02 and 55,936.59

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Solution

The fourth proportional to 101,255.49, 139,732.02 and 55,936.59 is: 77,192.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,255.49 : 139,732.02 = 55,936.59 : x
  2. Step 2: Convert to fraction form
    101,255.49/139,732.02 = 55,936.59/x
  3. Step 3: Cross multiply
    101,255.49x = 139,732.02 × 55,936.59
  4. Step 4: Simplify right side
    101,255.49x = 7,816,132,712.61
  5. Step 5: Solve for x
    x = 7,816,132,712.61/101,255.49
  6. Step 6: Final answer
    x = 77,192.19

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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.