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Finding the Fourth Proportional to 235,427.80, 353,012.10 and 95,027.80

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Solution

The fourth proportional to 235,427.80, 353,012.10 and 95,027.80 is: 142,489.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,427.80 : 353,012.10 = 95,027.80 : x
  2. Step 2: Convert to fraction form
    235,427.80/353,012.10 = 95,027.80/x
  3. Step 3: Cross multiply
    235,427.80x = 353,012.10 × 95,027.80
  4. Step 4: Simplify right side
    235,427.80x = 33,545,963,236.38
  5. Step 5: Solve for x
    x = 33,545,963,236.38/235,427.80
  6. Step 6: Final answer
    x = 142,489.39

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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.