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Finding the Fourth Proportional to 212,805.58, 319,255.07 and 63,057.59

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Solution

The fourth proportional to 212,805.58, 319,255.07 and 63,057.59 is: 94,600.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,805.58 : 319,255.07 = 63,057.59 : x
  2. Step 2: Convert to fraction form
    212,805.58/319,255.07 = 63,057.59/x
  3. Step 3: Cross multiply
    212,805.58x = 319,255.07 × 63,057.59
  4. Step 4: Simplify right side
    212,805.58x = 20,131,454,949.82
  5. Step 5: Solve for x
    x = 20,131,454,949.82/212,805.58
  6. Step 6: Final answer
    x = 94,600.22

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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.