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Finding the Fourth Proportional to 169,837.94, 234,373.71 and 93,355.38

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Solution

The fourth proportional to 169,837.94, 234,373.71 and 93,355.38 is: 128,828.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,837.94 : 234,373.71 = 93,355.38 : x
  2. Step 2: Convert to fraction form
    169,837.94/234,373.71 = 93,355.38/x
  3. Step 3: Cross multiply
    169,837.94x = 234,373.71 × 93,355.38
  4. Step 4: Simplify right side
    169,837.94x = 21,880,046,759.06
  5. Step 5: Solve for x
    x = 21,880,046,759.06/169,837.94
  6. Step 6: Final answer
    x = 128,828.97

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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.