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Finding the Fourth Proportional to 230,018.80, 345,028.20 and 167,810.80

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Solution

The fourth proportional to 230,018.80, 345,028.20 and 167,810.80 is: 251,716.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,018.80 : 345,028.20 = 167,810.80 : x
  2. Step 2: Convert to fraction form
    230,018.80/345,028.20 = 167,810.80/x
  3. Step 3: Cross multiply
    230,018.80x = 345,028.20 × 167,810.80
  4. Step 4: Simplify right side
    230,018.80x = 57,899,458,264.56
  5. Step 5: Solve for x
    x = 57,899,458,264.56/230,018.80
  6. Step 6: Final answer
    x = 251,716.20

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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.