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Finding the Fourth Proportional to 199,771.97, 275,693.69 and 114,889.10

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Solution

The fourth proportional to 199,771.97, 275,693.69 and 114,889.10 is: 158,551.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,771.97 : 275,693.69 = 114,889.10 : x
  2. Step 2: Convert to fraction form
    199,771.97/275,693.69 = 114,889.10/x
  3. Step 3: Cross multiply
    199,771.97x = 275,693.69 × 114,889.10
  4. Step 4: Simplify right side
    199,771.97x = 31,674,198,828.53
  5. Step 5: Solve for x
    x = 31,674,198,828.53/199,771.97
  6. Step 6: Final answer
    x = 158,551.77

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1.5x scale

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.