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Finding the Fourth Proportional to 192,005.73, 264,967.47 and 111,480.39

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Solution

The fourth proportional to 192,005.73, 264,967.47 and 111,480.39 is: 153,842.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,005.73 : 264,967.47 = 111,480.39 : x
  2. Step 2: Convert to fraction form
    192,005.73/264,967.47 = 111,480.39/x
  3. Step 3: Cross multiply
    192,005.73x = 264,967.47 × 111,480.39
  4. Step 4: Simplify right side
    192,005.73x = 29,538,676,892.91
  5. Step 5: Solve for x
    x = 29,538,676,892.91/192,005.73
  6. Step 6: Final answer
    x = 153,842.68

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1.5x scale

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.