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Finding the Fourth Proportional to 293,422.42, 440,133.63 and 83,062.18

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Solution

The fourth proportional to 293,422.42, 440,133.63 and 83,062.18 is: 124,593.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,422.42 : 440,133.63 = 83,062.18 : x
  2. Step 2: Convert to fraction form
    293,422.42/440,133.63 = 83,062.18/x
  3. Step 3: Cross multiply
    293,422.42x = 440,133.63 × 83,062.18
  4. Step 4: Simplify right side
    293,422.42x = 36,558,458,799.11
  5. Step 5: Solve for x
    x = 36,558,458,799.11/293,422.42
  6. Step 6: Final answer
    x = 124,593.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.