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Finding the Fourth Proportional to 199,658.62, 275,496.39 and 117,975.51

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Solution

The fourth proportional to 199,658.62, 275,496.39 and 117,975.51 is: 162,787.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,658.62 : 275,496.39 = 117,975.51 : x
  2. Step 2: Convert to fraction form
    199,658.62/275,496.39 = 117,975.51/x
  3. Step 3: Cross multiply
    199,658.62x = 275,496.39 × 117,975.51
  4. Step 4: Simplify right side
    199,658.62x = 32,501,827,113.41
  5. Step 5: Solve for x
    x = 32,501,827,113.41/199,658.62
  6. Step 6: Final answer
    x = 162,787.00

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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.