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Finding the Fourth Proportional to 215,473.96, 297,358.86 and 119,989.54

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Solution

The fourth proportional to 215,473.96, 297,358.86 and 119,989.54 is: 165,588.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,473.96 : 297,358.86 = 119,989.54 : x
  2. Step 2: Convert to fraction form
    215,473.96/297,358.86 = 119,989.54/x
  3. Step 3: Cross multiply
    215,473.96x = 297,358.86 × 119,989.54
  4. Step 4: Simplify right side
    215,473.96x = 35,679,952,826.32
  5. Step 5: Solve for x
    x = 35,679,952,826.32/215,473.96
  6. Step 6: Final answer
    x = 165,588.24

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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.