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Finding the Fourth Proportional to 222,623.52, 307,123.92 and 147,276.96

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Solution

The fourth proportional to 222,623.52, 307,123.92 and 147,276.96 is: 203,178.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,623.52 : 307,123.92 = 147,276.96 : x
  2. Step 2: Convert to fraction form
    222,623.52/307,123.92 = 147,276.96/x
  3. Step 3: Cross multiply
    222,623.52x = 307,123.92 × 147,276.96
  4. Step 4: Simplify right side
    222,623.52x = 45,232,277,280.88
  5. Step 5: Solve for x
    x = 45,232,277,280.88/222,623.52
  6. Step 6: Final answer
    x = 203,178.34

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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.