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Finding the Fourth Proportional to 240,066.31, 331,287.62 and 131,168.31

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Solution

The fourth proportional to 240,066.31, 331,287.62 and 131,168.31 is: 181,010.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,066.31 : 331,287.62 = 131,168.31 : x
  2. Step 2: Convert to fraction form
    240,066.31/331,287.62 = 131,168.31/x
  3. Step 3: Cross multiply
    240,066.31x = 331,287.62 × 131,168.31
  4. Step 4: Simplify right side
    240,066.31x = 43,454,437,239.32
  5. Step 5: Solve for x
    x = 43,454,437,239.32/240,066.31
  6. Step 6: Final answer
    x = 181,010.14

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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.