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Finding the Fourth Proportional to 202,466.97, 279,406.53 and 111,825.21

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Solution

The fourth proportional to 202,466.97, 279,406.53 and 111,825.21 is: 154,319.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,466.97 : 279,406.53 = 111,825.21 : x
  2. Step 2: Convert to fraction form
    202,466.97/279,406.53 = 111,825.21/x
  3. Step 3: Cross multiply
    202,466.97x = 279,406.53 × 111,825.21
  4. Step 4: Simplify right side
    202,466.97x = 31,244,693,892.62
  5. Step 5: Solve for x
    x = 31,244,693,892.62/202,466.97
  6. Step 6: Final answer
    x = 154,319.96

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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.