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Finding the Fourth Proportional to 253,817.44, 350,268.24 and 140,642.08

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Solution

The fourth proportional to 253,817.44, 350,268.24 and 140,642.08 is: 194,086.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,817.44 : 350,268.24 = 140,642.08 : x
  2. Step 2: Convert to fraction form
    253,817.44/350,268.24 = 140,642.08/x
  3. Step 3: Cross multiply
    253,817.44x = 350,268.24 × 140,642.08
  4. Step 4: Simplify right side
    253,817.44x = 49,262,453,831.54
  5. Step 5: Solve for x
    x = 49,262,453,831.54/253,817.44
  6. Step 6: Final answer
    x = 194,086.17

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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.