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Finding the Fourth Proportional to 230,021.80, 345,032.70 and 167,813.80

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Solution

The fourth proportional to 230,021.80, 345,032.70 and 167,813.80 is: 251,720.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,021.80 : 345,032.70 = 167,813.80 : x
  2. Step 2: Convert to fraction form
    230,021.80/345,032.70 = 167,813.80/x
  3. Step 3: Cross multiply
    230,021.80x = 345,032.70 × 167,813.80
  4. Step 4: Simplify right side
    230,021.80x = 57,901,248,511.26
  5. Step 5: Solve for x
    x = 57,901,248,511.26/230,021.80
  6. Step 6: Final answer
    x = 251,720.70

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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.