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Finding the Fourth Proportional to 164,817.70, 247,226.55 and 89,908.90

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Solution

The fourth proportional to 164,817.70, 247,226.55 and 89,908.90 is: 134,863.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,817.70 : 247,226.55 = 89,908.90 : x
  2. Step 2: Convert to fraction form
    164,817.70/247,226.55 = 89,908.90/x
  3. Step 3: Cross multiply
    164,817.70x = 247,226.55 × 89,908.90
  4. Step 4: Simplify right side
    164,817.70x = 22,227,867,161.30
  5. Step 5: Solve for x
    x = 22,227,867,161.30/164,817.70
  6. Step 6: Final answer
    x = 134,863.35

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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.