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Finding the Fourth Proportional to 168,393.42, 232,381.80 and 92,941.92

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Solution

The fourth proportional to 168,393.42, 232,381.80 and 92,941.92 is: 128,259.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,393.42 : 232,381.80 = 92,941.92 : x
  2. Step 2: Convert to fraction form
    168,393.42/232,381.80 = 92,941.92/x
  3. Step 3: Cross multiply
    168,393.42x = 232,381.80 × 92,941.92
  4. Step 4: Simplify right side
    168,393.42x = 21,598,010,665.06
  5. Step 5: Solve for x
    x = 21,598,010,665.06/168,393.42
  6. Step 6: Final answer
    x = 128,259.23

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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.