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Finding the Fourth Proportional to 212,057.88, 292,542.35 and 187,883.50

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Solution

The fourth proportional to 212,057.88, 292,542.35 and 187,883.50 is: 259,192.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,057.88 : 292,542.35 = 187,883.50 : x
  2. Step 2: Convert to fraction form
    212,057.88/292,542.35 = 187,883.50/x
  3. Step 3: Cross multiply
    212,057.88x = 292,542.35 × 187,883.50
  4. Step 4: Simplify right side
    212,057.88x = 54,963,879,493.97
  5. Step 5: Solve for x
    x = 54,963,879,493.97/212,057.88
  6. Step 6: Final answer
    x = 259,192.82

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.