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Finding the Fourth Proportional to 188,347.82, 282,490.34 and 61,989.44

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Solution

The fourth proportional to 188,347.82, 282,490.34 and 61,989.44 is: 92,973.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,347.82 : 282,490.34 = 61,989.44 : x
  2. Step 2: Convert to fraction form
    188,347.82/282,490.34 = 61,989.44/x
  3. Step 3: Cross multiply
    188,347.82x = 282,490.34 × 61,989.44
  4. Step 4: Simplify right side
    188,347.82x = 17,511,416,259.61
  5. Step 5: Solve for x
    x = 17,511,416,259.61/188,347.82
  6. Step 6: Final answer
    x = 92,973.82

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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.