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Finding the Fourth Proportional to 551,021.96, 826,670.22 and 157,037.96

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Solution

The fourth proportional to 551,021.96, 826,670.22 and 157,037.96 is: 235,596.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,021.96 : 826,670.22 = 157,037.96 : x
  2. Step 2: Convert to fraction form
    551,021.96/826,670.22 = 157,037.96/x
  3. Step 3: Cross multiply
    551,021.96x = 826,670.22 × 157,037.96
  4. Step 4: Simplify right side
    551,021.96x = 129,818,604,941.55
  5. Step 5: Solve for x
    x = 129,818,604,941.55/551,021.96
  6. Step 6: Final answer
    x = 235,596.06

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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.