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Finding the Fourth Proportional to 169,844.76, 234,387 and 93,365.28

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Solution

The fourth proportional to 169,844.76, 234,387 and 93,365.28 is: 128,844.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,844.76 : 234,387 = 93,365.28 : x
  2. Step 2: Convert to fraction form
    169,844.76/234,387 = 93,365.28/x
  3. Step 3: Cross multiply
    169,844.76x = 234,387 × 93,365.28
  4. Step 4: Simplify right side
    169,844.76x = 21,883,607,883.36
  5. Step 5: Solve for x
    x = 21,883,607,883.36/169,844.76
  6. Step 6: Final answer
    x = 128,844.76

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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.