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Finding the Fourth Proportional to 236,358.01, 326,175.06 and 128,930.35

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Solution

The fourth proportional to 236,358.01, 326,175.06 and 128,930.35 is: 177,924.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,358.01 : 326,175.06 = 128,930.35 : x
  2. Step 2: Convert to fraction form
    236,358.01/326,175.06 = 128,930.35/x
  3. Step 3: Cross multiply
    236,358.01x = 326,175.06 × 128,930.35
  4. Step 4: Simplify right side
    236,358.01x = 42,053,864,647.07
  5. Step 5: Solve for x
    x = 42,053,864,647.07/236,358.01
  6. Step 6: Final answer
    x = 177,924.43

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.