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Finding the Fourth Proportional to 222,602.55, 307,297.92 and 127,090.80

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Solution

The fourth proportional to 222,602.55, 307,297.92 and 127,090.80 is: 175,446.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,602.55 : 307,297.92 = 127,090.80 : x
  2. Step 2: Convert to fraction form
    222,602.55/307,297.92 = 127,090.80/x
  3. Step 3: Cross multiply
    222,602.55x = 307,297.92 × 127,090.80
  4. Step 4: Simplify right side
    222,602.55x = 39,054,738,491.14
  5. Step 5: Solve for x
    x = 39,054,738,491.14/222,602.55
  6. Step 6: Final answer
    x = 175,446.05

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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.