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Finding the Fourth Proportional to 222,805.92, 307,466.76 and 127,306.48

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Solution

The fourth proportional to 222,805.92, 307,466.76 and 127,306.48 is: 175,679.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,805.92 : 307,466.76 = 127,306.48 : x
  2. Step 2: Convert to fraction form
    222,805.92/307,466.76 = 127,306.48/x
  3. Step 3: Cross multiply
    222,805.92x = 307,466.76 × 127,306.48
  4. Step 4: Simplify right side
    222,805.92x = 39,142,510,932.60
  5. Step 5: Solve for x
    x = 39,142,510,932.60/222,805.92
  6. Step 6: Final answer
    x = 175,679.85

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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.