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Finding the Fourth Proportional to 171,351.21, 236,456.94 and 94,864.93

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Solution

The fourth proportional to 171,351.21, 236,456.94 and 94,864.93 is: 130,909.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,351.21 : 236,456.94 = 94,864.93 : x
  2. Step 2: Convert to fraction form
    171,351.21/236,456.94 = 94,864.93/x
  3. Step 3: Cross multiply
    171,351.21x = 236,456.94 × 94,864.93
  4. Step 4: Simplify right side
    171,351.21x = 22,431,471,061.11
  5. Step 5: Solve for x
    x = 22,431,471,061.11/171,351.21
  6. Step 6: Final answer
    x = 130,909.32

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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.