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Finding the Fourth Proportional to 551,019.96, 826,667.22 and 157,035.96

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Solution

The fourth proportional to 551,019.96, 826,667.22 and 157,035.96 is: 235,593.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,019.96 : 826,667.22 = 157,035.96 : x
  2. Step 2: Convert to fraction form
    551,019.96/826,667.22 = 157,035.96/x
  3. Step 3: Cross multiply
    551,019.96x = 826,667.22 × 157,035.96
  4. Step 4: Simplify right side
    551,019.96x = 129,816,480,493.23
  5. Step 5: Solve for x
    x = 129,816,480,493.23/551,019.96
  6. Step 6: Final answer
    x = 235,593.06

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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.