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Finding the Fourth Proportional to 169,451.48, 233,843.12 and 93,999.96

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Solution

The fourth proportional to 169,451.48, 233,843.12 and 93,999.96 is: 129,719.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,451.48 : 233,843.12 = 93,999.96 : x
  2. Step 2: Convert to fraction form
    169,451.48/233,843.12 = 93,999.96/x
  3. Step 3: Cross multiply
    169,451.48x = 233,843.12 × 93,999.96
  4. Step 4: Simplify right side
    169,451.48x = 21,981,243,926.28
  5. Step 5: Solve for x
    x = 21,981,243,926.28/169,451.48
  6. Step 6: Final answer
    x = 129,719.99

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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.