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Finding the Fourth Proportional to 250,804.38, 346,109.31 and 136,082.54

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Solution

The fourth proportional to 250,804.38, 346,109.31 and 136,082.54 is: 187,793.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,804.38 : 346,109.31 = 136,082.54 : x
  2. Step 2: Convert to fraction form
    250,804.38/346,109.31 = 136,082.54/x
  3. Step 3: Cross multiply
    250,804.38x = 346,109.31 × 136,082.54
  4. Step 4: Simplify right side
    250,804.38x = 47,099,434,022.45
  5. Step 5: Solve for x
    x = 47,099,434,022.45/250,804.38
  6. Step 6: Final answer
    x = 187,793.51

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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.