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Finding the Fourth Proportional to 101,519.99, 151,553.39 and 88,237.61

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Solution

The fourth proportional to 101,519.99, 151,553.39 and 88,237.61 is: 131,724.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,519.99 : 151,553.39 = 88,237.61 : x
  2. Step 2: Convert to fraction form
    101,519.99/151,553.39 = 88,237.61/x
  3. Step 3: Cross multiply
    101,519.99x = 151,553.39 × 88,237.61
  4. Step 4: Simplify right side
    101,519.99x = 13,372,708,383.83
  5. Step 5: Solve for x
    x = 13,372,708,383.83/101,519.99
  6. Step 6: Final answer
    x = 131,724.89

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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.