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Finding the Fourth Proportional to 222,596.34, 307,190.79 and 127,101.30

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Solution

The fourth proportional to 222,596.34, 307,190.79 and 127,101.30 is: 175,404.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,596.34 : 307,190.79 = 127,101.30 : x
  2. Step 2: Convert to fraction form
    222,596.34/307,190.79 = 127,101.30/x
  3. Step 3: Cross multiply
    222,596.34x = 307,190.79 × 127,101.30
  4. Step 4: Simplify right side
    222,596.34x = 39,044,348,757.03
  5. Step 5: Solve for x
    x = 39,044,348,757.03/222,596.34
  6. Step 6: Final answer
    x = 175,404.27

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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.