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Finding the Fourth Proportional to 222,875.83, 307,568.62 and 126,077.62

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Solution

The fourth proportional to 222,875.83, 307,568.62 and 126,077.62 is: 173,987.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,875.83 : 307,568.62 = 126,077.62 : x
  2. Step 2: Convert to fraction form
    222,875.83/307,568.62 = 126,077.62/x
  3. Step 3: Cross multiply
    222,875.83x = 307,568.62 × 126,077.62
  4. Step 4: Simplify right side
    222,875.83x = 38,777,519,596.28
  5. Step 5: Solve for x
    x = 38,777,519,596.28/222,875.83
  6. Step 6: Final answer
    x = 173,987.10

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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.