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Finding the Fourth Proportional to 230,393.01, 345,589.47 and 72,633.81

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Solution

The fourth proportional to 230,393.01, 345,589.47 and 72,633.81 is: 108,950.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,393.01 : 345,589.47 = 72,633.81 : x
  2. Step 2: Convert to fraction form
    230,393.01/345,589.47 = 72,633.81/x
  3. Step 3: Cross multiply
    230,393.01x = 345,589.47 × 72,633.81
  4. Step 4: Simplify right side
    230,393.01x = 25,101,479,901.98
  5. Step 5: Solve for x
    x = 25,101,479,901.98/230,393.01
  6. Step 6: Final answer
    x = 108,950.70

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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.