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Finding the Fourth Proportional to 192,432.53, 265,569.89 and 111,859.80

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Solution

The fourth proportional to 192,432.53, 265,569.89 and 111,859.80 is: 154,374.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,432.53 : 265,569.89 = 111,859.80 : x
  2. Step 2: Convert to fraction form
    192,432.53/265,569.89 = 111,859.80/x
  3. Step 3: Cross multiply
    192,432.53x = 265,569.89 × 111,859.80
  4. Step 4: Simplify right side
    192,432.53x = 29,706,594,781.42
  5. Step 5: Solve for x
    x = 29,706,594,781.42/192,432.53
  6. Step 6: Final answer
    x = 154,374.08

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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.