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Finding the Fourth Proportional to 147,474.52, 221,212.56 and 36,666.52

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Solution

The fourth proportional to 147,474.52, 221,212.56 and 36,666.52 is: 54,999.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,474.52 : 221,212.56 = 36,666.52 : x
  2. Step 2: Convert to fraction form
    147,474.52/221,212.56 = 36,666.52/x
  3. Step 3: Cross multiply
    147,474.52x = 221,212.56 × 36,666.52
  4. Step 4: Simplify right side
    147,474.52x = 8,111,094,755.49
  5. Step 5: Solve for x
    x = 8,111,094,755.49/147,474.52
  6. Step 6: Final answer
    x = 54,999.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.