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Finding the Fourth Proportional to 236,801.88, 355,164.48 and 87,005.34

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Solution

The fourth proportional to 236,801.88, 355,164.48 and 87,005.34 is: 130,493.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,801.88 : 355,164.48 = 87,005.34 : x
  2. Step 2: Convert to fraction form
    236,801.88/355,164.48 = 87,005.34/x
  3. Step 3: Cross multiply
    236,801.88x = 355,164.48 × 87,005.34
  4. Step 4: Simplify right side
    236,801.88x = 30,901,206,338.32
  5. Step 5: Solve for x
    x = 30,901,206,338.32/236,801.88
  6. Step 6: Final answer
    x = 130,493.92

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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.