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Finding the Fourth Proportional to 167,851.80, 231,645.98 and 92,400.30

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Solution

The fourth proportional to 167,851.80, 231,645.98 and 92,400.30 is: 127,518.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,851.80 : 231,645.98 = 92,400.30 : x
  2. Step 2: Convert to fraction form
    167,851.80/231,645.98 = 92,400.30/x
  3. Step 3: Cross multiply
    167,851.80x = 231,645.98 × 92,400.30
  4. Step 4: Simplify right side
    167,851.80x = 21,404,157,583.79
  5. Step 5: Solve for x
    x = 21,404,157,583.79/167,851.80
  6. Step 6: Final answer
    x = 127,518.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.