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Finding the Fourth Proportional to 247,217.56, 370,606.32 and 89,410.96

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Solution

The fourth proportional to 247,217.56, 370,606.32 and 89,410.96 is: 134,036.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,217.56 : 370,606.32 = 89,410.96 : x
  2. Step 2: Convert to fraction form
    247,217.56/370,606.32 = 89,410.96/x
  3. Step 3: Cross multiply
    247,217.56x = 370,606.32 × 89,410.96
  4. Step 4: Simplify right side
    247,217.56x = 33,136,266,853.27
  5. Step 5: Solve for x
    x = 33,136,266,853.27/247,217.56
  6. Step 6: Final answer
    x = 134,036.87

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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.