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Finding the Fourth Proportional to 73,321.79, 101,229.93 and 50,391.11

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Solution

The fourth proportional to 73,321.79, 101,229.93 and 50,391.11 is: 69,571.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,321.79 : 101,229.93 = 50,391.11 : x
  2. Step 2: Convert to fraction form
    73,321.79/101,229.93 = 50,391.11/x
  3. Step 3: Cross multiply
    73,321.79x = 101,229.93 × 50,391.11
  4. Step 4: Simplify right side
    73,321.79x = 5,101,087,779.82
  5. Step 5: Solve for x
    x = 5,101,087,779.82/73,321.79
  6. Step 6: Final answer
    x = 69,571.24

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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.