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Finding the Fourth Proportional to 169,910, 234,476.07 and 94,458.50

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Solution

The fourth proportional to 169,910, 234,476.07 and 94,458.50 is: 130,352.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,910 : 234,476.07 = 94,458.50 : x
  2. Step 2: Convert to fraction form
    169,910/234,476.07 = 94,458.50/x
  3. Step 3: Cross multiply
    169,910x = 234,476.07 × 94,458.50
  4. Step 4: Simplify right side
    169,910x = 22,148,257,858.10
  5. Step 5: Solve for x
    x = 22,148,257,858.10/169,910
  6. Step 6: Final answer
    x = 130,352.88

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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.