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Finding the Fourth Proportional to 101,015.56, 151,523.36 and 30,894.28

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Solution

The fourth proportional to 101,015.56, 151,523.36 and 30,894.28 is: 46,341.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,015.56 : 151,523.36 = 30,894.28 : x
  2. Step 2: Convert to fraction form
    101,015.56/151,523.36 = 30,894.28/x
  3. Step 3: Cross multiply
    101,015.56x = 151,523.36 × 30,894.28
  4. Step 4: Simplify right side
    101,015.56x = 4,681,205,110.38
  5. Step 5: Solve for x
    x = 4,681,205,110.38/101,015.56
  6. Step 6: Final answer
    x = 46,341.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.