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Finding the Fourth Proportional to 192,699.50, 265,925.31 and 107,832.97

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Solution

The fourth proportional to 192,699.50, 265,925.31 and 107,832.97 is: 148,809.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,699.50 : 265,925.31 = 107,832.97 : x
  2. Step 2: Convert to fraction form
    192,699.50/265,925.31 = 107,832.97/x
  3. Step 3: Cross multiply
    192,699.50x = 265,925.31 × 107,832.97
  4. Step 4: Simplify right side
    192,699.50x = 28,675,514,645.84
  5. Step 5: Solve for x
    x = 28,675,514,645.84/192,699.50
  6. Step 6: Final answer
    x = 148,809.49

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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.