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Finding the Fourth Proportional to 147,487.56, 221,232.06 and 36,679.56

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Solution

The fourth proportional to 147,487.56, 221,232.06 and 36,679.56 is: 55,019.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,487.56 : 221,232.06 = 36,679.56 : x
  2. Step 2: Convert to fraction form
    147,487.56/221,232.06 = 36,679.56/x
  3. Step 3: Cross multiply
    147,487.56x = 221,232.06 × 36,679.56
  4. Step 4: Simplify right side
    147,487.56x = 8,114,694,618.69
  5. Step 5: Solve for x
    x = 8,114,694,618.69/147,487.56
  6. Step 6: Final answer
    x = 55,019.52

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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.