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Finding the Fourth Proportional to 169,499.81, 233,909.75 and 94,048.31

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Solution

The fourth proportional to 169,499.81, 233,909.75 and 94,048.31 is: 129,786.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,499.81 : 233,909.75 = 94,048.31 : x
  2. Step 2: Convert to fraction form
    169,499.81/233,909.75 = 94,048.31/x
  3. Step 3: Cross multiply
    169,499.81x = 233,909.75 × 94,048.31
  4. Step 4: Simplify right side
    169,499.81x = 21,998,817,499.92
  5. Step 5: Solve for x
    x = 21,998,817,499.92/169,499.81
  6. Step 6: Final answer
    x = 129,786.68

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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.