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Finding the Fourth Proportional to 551,022.96, 826,671.72 and 157,038.96

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Solution

The fourth proportional to 551,022.96, 826,671.72 and 157,038.96 is: 235,597.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,022.96 : 826,671.72 = 157,038.96 : x
  2. Step 2: Convert to fraction form
    551,022.96/826,671.72 = 157,038.96/x
  3. Step 3: Cross multiply
    551,022.96x = 826,671.72 × 157,038.96
  4. Step 4: Simplify right side
    551,022.96x = 129,819,667,170.21
  5. Step 5: Solve for x
    x = 129,819,667,170.21/551,022.96
  6. Step 6: Final answer
    x = 235,597.56

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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.