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Finding the Fourth Proportional to 144,440.49, 199,377.98 and 99,268

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Solution

The fourth proportional to 144,440.49, 199,377.98 and 99,268 is: 137,024.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,440.49 : 199,377.98 = 99,268 : x
  2. Step 2: Convert to fraction form
    144,440.49/199,377.98 = 99,268/x
  3. Step 3: Cross multiply
    144,440.49x = 199,377.98 × 99,268
  4. Step 4: Simplify right side
    144,440.49x = 19,791,853,318.64
  5. Step 5: Solve for x
    x = 19,791,853,318.64/144,440.49
  6. Step 6: Final answer
    x = 137,024.27

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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.