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Finding the Fourth Proportional to 203,368.96, 280,554.24 and 127,959.04

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Solution

The fourth proportional to 203,368.96, 280,554.24 and 127,959.04 is: 176,523.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,368.96 : 280,554.24 = 127,959.04 : x
  2. Step 2: Convert to fraction form
    203,368.96/280,554.24 = 127,959.04/x
  3. Step 3: Cross multiply
    203,368.96x = 280,554.24 × 127,959.04
  4. Step 4: Simplify right side
    203,368.96x = 35,899,451,218.33
  5. Step 5: Solve for x
    x = 35,899,451,218.33/203,368.96
  6. Step 6: Final answer
    x = 176,523.75

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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.