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Finding the Fourth Proportional to 348,135.70, 522,147.50 and 95,357.07

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Solution

The fourth proportional to 348,135.70, 522,147.50 and 95,357.07 is: 143,020.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,135.70 : 522,147.50 = 95,357.07 : x
  2. Step 2: Convert to fraction form
    348,135.70/522,147.50 = 95,357.07/x
  3. Step 3: Cross multiply
    348,135.70x = 522,147.50 × 95,357.07
  4. Step 4: Simplify right side
    348,135.70x = 49,790,452,620.30
  5. Step 5: Solve for x
    x = 49,790,452,620.30/348,135.70
  6. Step 6: Final answer
    x = 143,020.25

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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.