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Finding the Fourth Proportional to 199,308.46, 275,052.30 and 118,724.98

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Solution

The fourth proportional to 199,308.46, 275,052.30 and 118,724.98 is: 163,844.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,308.46 : 275,052.30 = 118,724.98 : x
  2. Step 2: Convert to fraction form
    199,308.46/275,052.30 = 118,724.98/x
  3. Step 3: Cross multiply
    199,308.46x = 275,052.30 × 118,724.98
  4. Step 4: Simplify right side
    199,308.46x = 32,655,578,816.45
  5. Step 5: Solve for x
    x = 32,655,578,816.45/199,308.46
  6. Step 6: Final answer
    x = 163,844.42

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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.