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Finding the Fourth Proportional to 252,593.22, 378,918.81 and 117,587.28

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Solution

The fourth proportional to 252,593.22, 378,918.81 and 117,587.28 is: 176,394.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,593.22 : 378,918.81 = 117,587.28 : x
  2. Step 2: Convert to fraction form
    252,593.22/378,918.81 = 117,587.28/x
  3. Step 3: Cross multiply
    252,593.22x = 378,918.81 × 117,587.28
  4. Step 4: Simplify right side
    252,593.22x = 44,556,032,208.74
  5. Step 5: Solve for x
    x = 44,556,032,208.74/252,593.22
  6. Step 6: Final answer
    x = 176,394.41

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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.