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Finding the Fourth Proportional to 167,739, 231,479.82 and 92,287.50

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Solution

The fourth proportional to 167,739, 231,479.82 and 92,287.50 is: 127,356.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,739 : 231,479.82 = 92,287.50 : x
  2. Step 2: Convert to fraction form
    167,739/231,479.82 = 92,287.50/x
  3. Step 3: Cross multiply
    167,739x = 231,479.82 × 92,287.50
  4. Step 4: Simplify right side
    167,739x = 21,362,693,888.25
  5. Step 5: Solve for x
    x = 21,362,693,888.25/167,739
  6. Step 6: Final answer
    x = 127,356.75

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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.