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Finding the Fourth Proportional to 230,216.33, 345,062.63 and 140,060.31

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Solution

The fourth proportional to 230,216.33, 345,062.63 and 140,060.31 is: 209,931.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,216.33 : 345,062.63 = 140,060.31 : x
  2. Step 2: Convert to fraction form
    230,216.33/345,062.63 = 140,060.31/x
  3. Step 3: Cross multiply
    230,216.33x = 345,062.63 × 140,060.31
  4. Step 4: Simplify right side
    230,216.33x = 48,329,578,064.56
  5. Step 5: Solve for x
    x = 48,329,578,064.56/230,216.33
  6. Step 6: Final answer
    x = 209,931.15

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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.