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Finding the Fourth Proportional to 199,397.67, 275,162.07 and 118,783.44

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Solution

The fourth proportional to 199,397.67, 275,162.07 and 118,783.44 is: 163,917.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,397.67 : 275,162.07 = 118,783.44 : x
  2. Step 2: Convert to fraction form
    199,397.67/275,162.07 = 118,783.44/x
  3. Step 3: Cross multiply
    199,397.67x = 275,162.07 × 118,783.44
  4. Step 4: Simplify right side
    199,397.67x = 32,684,697,232.12
  5. Step 5: Solve for x
    x = 32,684,697,232.12/199,397.67
  6. Step 6: Final answer
    x = 163,917.15

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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.