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Finding the Fourth Proportional to 352,907.52, 529,050.24 and 131,136

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Solution

The fourth proportional to 352,907.52, 529,050.24 and 131,136 is: 196,588.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,907.52 : 529,050.24 = 131,136 : x
  2. Step 2: Convert to fraction form
    352,907.52/529,050.24 = 131,136/x
  3. Step 3: Cross multiply
    352,907.52x = 529,050.24 × 131,136
  4. Step 4: Simplify right side
    352,907.52x = 69,377,532,272.64
  5. Step 5: Solve for x
    x = 69,377,532,272.64/352,907.52
  6. Step 6: Final answer
    x = 196,588.42

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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.