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Finding the Fourth Proportional to 169,884.40, 234,453.60 and 101,904.04

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Solution

The fourth proportional to 169,884.40, 234,453.60 and 101,904.04 is: 140,635.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,884.40 : 234,453.60 = 101,904.04 : x
  2. Step 2: Convert to fraction form
    169,884.40/234,453.60 = 101,904.04/x
  3. Step 3: Cross multiply
    169,884.40x = 234,453.60 × 101,904.04
  4. Step 4: Simplify right side
    169,884.40x = 23,891,769,032.54
  5. Step 5: Solve for x
    x = 23,891,769,032.54/169,884.40
  6. Step 6: Final answer
    x = 140,635.45

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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.