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Finding the Fourth Proportional to 215,250.16, 297,039 and 119,760.16

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Solution

The fourth proportional to 215,250.16, 297,039 and 119,760.16 is: 165,265.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,250.16 : 297,039 = 119,760.16 : x
  2. Step 2: Convert to fraction form
    215,250.16/297,039 = 119,760.16/x
  3. Step 3: Cross multiply
    215,250.16x = 297,039 × 119,760.16
  4. Step 4: Simplify right side
    215,250.16x = 35,573,438,166.24
  5. Step 5: Solve for x
    x = 35,573,438,166.24/215,250.16
  6. Step 6: Final answer
    x = 165,265.56

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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.