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Finding the Fourth Proportional to 147,651.66, 221,475.06 and 36,843.66

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Solution

The fourth proportional to 147,651.66, 221,475.06 and 36,843.66 is: 55,264.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,651.66 : 221,475.06 = 36,843.66 : x
  2. Step 2: Convert to fraction form
    147,651.66/221,475.06 = 36,843.66/x
  3. Step 3: Cross multiply
    147,651.66x = 221,475.06 × 36,843.66
  4. Step 4: Simplify right side
    147,651.66x = 8,159,951,809.12
  5. Step 5: Solve for x
    x = 8,159,951,809.12/147,651.66
  6. Step 6: Final answer
    x = 55,264.88

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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.