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Finding the Fourth Proportional to 169,906.16, 234,465.80 and 93,425.41

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Solution

The fourth proportional to 169,906.16, 234,465.80 and 93,425.41 is: 128,924.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,906.16 : 234,465.80 = 93,425.41 : x
  2. Step 2: Convert to fraction form
    169,906.16/234,465.80 = 93,425.41/x
  3. Step 3: Cross multiply
    169,906.16x = 234,465.80 × 93,425.41
  4. Step 4: Simplify right side
    169,906.16x = 21,905,061,856.52
  5. Step 5: Solve for x
    x = 21,905,061,856.52/169,906.16
  6. Step 6: Final answer
    x = 128,924.47

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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.