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Finding the Fourth Proportional to 230,335.42, 345,552.33 and 80,580.59

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Solution

The fourth proportional to 230,335.42, 345,552.33 and 80,580.59 is: 120,888.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,335.42 : 345,552.33 = 80,580.59 : x
  2. Step 2: Convert to fraction form
    230,335.42/345,552.33 = 80,580.59/x
  3. Step 3: Cross multiply
    230,335.42x = 345,552.33 × 80,580.59
  4. Step 4: Simplify right side
    230,335.42x = 27,844,810,224.37
  5. Step 5: Solve for x
    x = 27,844,810,224.37/230,335.42
  6. Step 6: Final answer
    x = 120,888.10

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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.