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Finding the Fourth Proportional to 199,253.72, 274,814.58 and 127,640.40

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Solution

The fourth proportional to 199,253.72, 274,814.58 and 127,640.40 is: 176,044.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,253.72 : 274,814.58 = 127,640.40 : x
  2. Step 2: Convert to fraction form
    199,253.72/274,814.58 = 127,640.40/x
  3. Step 3: Cross multiply
    199,253.72x = 274,814.58 × 127,640.40
  4. Step 4: Simplify right side
    199,253.72x = 35,077,442,917.03
  5. Step 5: Solve for x
    x = 35,077,442,917.03/199,253.72
  6. Step 6: Final answer
    x = 176,044.11

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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.