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Finding the Fourth Proportional to 168,797.49, 232,931.10 and 92,301.42

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Solution

The fourth proportional to 168,797.49, 232,931.10 and 92,301.42 is: 127,370.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,797.49 : 232,931.10 = 92,301.42 : x
  2. Step 2: Convert to fraction form
    168,797.49/232,931.10 = 92,301.42/x
  3. Step 3: Cross multiply
    168,797.49x = 232,931.10 × 92,301.42
  4. Step 4: Simplify right side
    168,797.49x = 21,499,871,292.16
  5. Step 5: Solve for x
    x = 21,499,871,292.16/168,797.49
  6. Step 6: Final answer
    x = 127,370.80

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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.