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Finding the Fourth Proportional to 222,567.78, 307,094.97 and 131,878.44

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Solution

The fourth proportional to 222,567.78, 307,094.97 and 131,878.44 is: 181,963.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,567.78 : 307,094.97 = 131,878.44 : x
  2. Step 2: Convert to fraction form
    222,567.78/307,094.97 = 131,878.44/x
  3. Step 3: Cross multiply
    222,567.78x = 307,094.97 × 131,878.44
  4. Step 4: Simplify right side
    222,567.78x = 40,499,205,575.45
  5. Step 5: Solve for x
    x = 40,499,205,575.45/222,567.78
  6. Step 6: Final answer
    x = 181,963.47

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1.5x scale

Why These Related Problems?

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