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Finding the Fourth Proportional to 199,127.87, 274,795.02 and 108,483.80

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Solution

The fourth proportional to 199,127.87, 274,795.02 and 108,483.80 is: 149,706.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,127.87 : 274,795.02 = 108,483.80 : x
  2. Step 2: Convert to fraction form
    199,127.87/274,795.02 = 108,483.80/x
  3. Step 3: Cross multiply
    199,127.87x = 274,795.02 × 108,483.80
  4. Step 4: Simplify right side
    199,127.87x = 29,810,808,677.66
  5. Step 5: Solve for x
    x = 29,810,808,677.66/199,127.87
  6. Step 6: Final answer
    x = 149,706.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.