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Finding the Fourth Proportional to 197,735, 272,874.36 and 112,850.24

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Solution

The fourth proportional to 197,735, 272,874.36 and 112,850.24 is: 155,733.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,735 : 272,874.36 = 112,850.24 : x
  2. Step 2: Convert to fraction form
    197,735/272,874.36 = 112,850.24/x
  3. Step 3: Cross multiply
    197,735x = 272,874.36 × 112,850.24
  4. Step 4: Simplify right side
    197,735x = 30,793,937,015.85
  5. Step 5: Solve for x
    x = 30,793,937,015.85/197,735
  6. Step 6: Final answer
    x = 155,733.37

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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.