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Finding the Fourth Proportional to 468,705.96, 702,982.26 and 131,769.72

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Solution

The fourth proportional to 468,705.96, 702,982.26 and 131,769.72 is: 197,633.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,705.96 : 702,982.26 = 131,769.72 : x
  2. Step 2: Convert to fraction form
    468,705.96/702,982.26 = 131,769.72/x
  3. Step 3: Cross multiply
    468,705.96x = 702,982.26 × 131,769.72
  4. Step 4: Simplify right side
    468,705.96x = 92,631,775,565.17
  5. Step 5: Solve for x
    x = 92,631,775,565.17/468,705.96
  6. Step 6: Final answer
    x = 197,633.02

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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.