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Finding the Fourth Proportional to 198,951.38, 274,580.69 and 127,483.66

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Solution

The fourth proportional to 198,951.38, 274,580.69 and 127,483.66 is: 175,945.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,951.38 : 274,580.69 = 127,483.66 : x
  2. Step 2: Convert to fraction form
    198,951.38/274,580.69 = 127,483.66/x
  3. Step 3: Cross multiply
    198,951.38x = 274,580.69 × 127,483.66
  4. Step 4: Simplify right side
    198,951.38x = 35,004,551,326.53
  5. Step 5: Solve for x
    x = 35,004,551,326.53/198,951.38
  6. Step 6: Final answer
    x = 175,945.26

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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.