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Finding the Fourth Proportional to 293,470.52, 440,268.88 and 91,062.42

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Solution

The fourth proportional to 293,470.52, 440,268.88 and 91,062.42 is: 136,613.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,470.52 : 440,268.88 = 91,062.42 : x
  2. Step 2: Convert to fraction form
    293,470.52/440,268.88 = 91,062.42/x
  3. Step 3: Cross multiply
    293,470.52x = 440,268.88 × 91,062.42
  4. Step 4: Simplify right side
    293,470.52x = 40,091,949,663.49
  5. Step 5: Solve for x
    x = 40,091,949,663.49/293,470.52
  6. Step 6: Final answer
    x = 136,613.21

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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.