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Finding the Fourth Proportional to 169,908.44, 234,473.81 and 93,428.82

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Solution

The fourth proportional to 169,908.44, 234,473.81 and 93,428.82 is: 128,931.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,908.44 : 234,473.81 = 93,428.82 : x
  2. Step 2: Convert to fraction form
    169,908.44/234,473.81 = 93,428.82/x
  3. Step 3: Cross multiply
    169,908.44x = 234,473.81 × 93,428.82
  4. Step 4: Simplify right side
    169,908.44x = 21,906,610,922.06
  5. Step 5: Solve for x
    x = 21,906,610,922.06/169,908.44
  6. Step 6: Final answer
    x = 128,931.86

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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.