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Finding the Fourth Proportional to 84,458.36, 126,696.44 and 34,530.52

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Solution

The fourth proportional to 84,458.36, 126,696.44 and 34,530.52 is: 51,799.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,458.36 : 126,696.44 = 34,530.52 : x
  2. Step 2: Convert to fraction form
    84,458.36/126,696.44 = 34,530.52/x
  3. Step 3: Cross multiply
    84,458.36x = 126,696.44 × 34,530.52
  4. Step 4: Simplify right side
    84,458.36x = 4,374,893,955.35
  5. Step 5: Solve for x
    x = 4,374,893,955.35/84,458.36
  6. Step 6: Final answer
    x = 51,799.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.