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Finding the Fourth Proportional to 215,258.88, 297,071.46 and 119,765.79

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Solution

The fourth proportional to 215,258.88, 297,071.46 and 119,765.79 is: 165,284.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,258.88 : 297,071.46 = 119,765.79 : x
  2. Step 2: Convert to fraction form
    215,258.88/297,071.46 = 119,765.79/x
  3. Step 3: Cross multiply
    215,258.88x = 297,071.46 × 119,765.79
  4. Step 4: Simplify right side
    215,258.88x = 35,578,998,093.35
  5. Step 5: Solve for x
    x = 35,578,998,093.35/215,258.88
  6. Step 6: Final answer
    x = 165,284.69

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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.