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Finding the Fourth Proportional to 169,653.81, 234,140.97 and 97,063.44

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Solution

The fourth proportional to 169,653.81, 234,140.97 and 97,063.44 is: 133,958.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,653.81 : 234,140.97 = 97,063.44 : x
  2. Step 2: Convert to fraction form
    169,653.81/234,140.97 = 97,063.44/x
  3. Step 3: Cross multiply
    169,653.81x = 234,140.97 × 97,063.44
  4. Step 4: Simplify right side
    169,653.81x = 22,726,527,993.14
  5. Step 5: Solve for x
    x = 22,726,527,993.14/169,653.81
  6. Step 6: Final answer
    x = 133,958.25

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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.