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Finding the Fourth Proportional to 536,193.99, 804,401.85 and 157,127.15

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Solution

The fourth proportional to 536,193.99, 804,401.85 and 157,127.15 is: 235,723.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,193.99 : 804,401.85 = 157,127.15 : x
  2. Step 2: Convert to fraction form
    536,193.99/804,401.85 = 157,127.15/x
  3. Step 3: Cross multiply
    536,193.99x = 804,401.85 × 157,127.15
  4. Step 4: Simplify right side
    536,193.99x = 126,393,366,123.22
  5. Step 5: Solve for x
    x = 126,393,366,123.22/536,193.99
  6. Step 6: Final answer
    x = 235,723.21

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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.