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Finding the Fourth Proportional to 169,914, 234,481.60 and 94,462.50

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Solution

The fourth proportional to 169,914, 234,481.60 and 94,462.50 is: 130,358.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,914 : 234,481.60 = 94,462.50 : x
  2. Step 2: Convert to fraction form
    169,914/234,481.60 = 94,462.50/x
  3. Step 3: Cross multiply
    169,914x = 234,481.60 × 94,462.50
  4. Step 4: Simplify right side
    169,914x = 22,149,718,140
  5. Step 5: Solve for x
    x = 22,149,718,140/169,914
  6. Step 6: Final answer
    x = 130,358.41

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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.