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Finding the Fourth Proportional to 192,774.33, 288,961.02 and 74,526.89

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Solution

The fourth proportional to 192,774.33, 288,961.02 and 74,526.89 is: 111,712.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,774.33 : 288,961.02 = 74,526.89 : x
  2. Step 2: Convert to fraction form
    192,774.33/288,961.02 = 74,526.89/x
  3. Step 3: Cross multiply
    192,774.33x = 288,961.02 × 74,526.89
  4. Step 4: Simplify right side
    192,774.33x = 21,535,364,707.02
  5. Step 5: Solve for x
    x = 21,535,364,707.02/192,774.33
  6. Step 6: Final answer
    x = 111,712.82

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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.