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Finding the Fourth Proportional to 235,340.80, 353,186.20 and 95,100.64

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Solution

The fourth proportional to 235,340.80, 353,186.20 and 95,100.64 is: 142,721.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,340.80 : 353,186.20 = 95,100.64 : x
  2. Step 2: Convert to fraction form
    235,340.80/353,186.20 = 95,100.64/x
  3. Step 3: Cross multiply
    235,340.80x = 353,186.20 × 95,100.64
  4. Step 4: Simplify right side
    235,340.80x = 33,588,233,659.17
  5. Step 5: Solve for x
    x = 33,588,233,659.17/235,340.80
  6. Step 6: Final answer
    x = 142,721.68

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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.