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Finding the Fourth Proportional to 215,295.66, 297,081.27 and 119,795.58

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Solution

The fourth proportional to 215,295.66, 297,081.27 and 119,795.58 is: 165,303.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,295.66 : 297,081.27 = 119,795.58 : x
  2. Step 2: Convert to fraction form
    215,295.66/297,081.27 = 119,795.58/x
  3. Step 3: Cross multiply
    215,295.66x = 297,081.27 × 119,795.58
  4. Step 4: Simplify right side
    215,295.66x = 35,589,023,046.79
  5. Step 5: Solve for x
    x = 35,589,023,046.79/215,295.66
  6. Step 6: Final answer
    x = 165,303.02

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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.