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Finding the Fourth Proportional to 215,337.44, 297,165.66 and 119,866.69

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Solution

The fourth proportional to 215,337.44, 297,165.66 and 119,866.69 is: 165,416.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,337.44 : 297,165.66 = 119,866.69 : x
  2. Step 2: Convert to fraction form
    215,337.44/297,165.66 = 119,866.69/x
  3. Step 3: Cross multiply
    215,337.44x = 297,165.66 × 119,866.69
  4. Step 4: Simplify right side
    215,337.44x = 35,620,264,045.87
  5. Step 5: Solve for x
    x = 35,620,264,045.87/215,337.44
  6. Step 6: Final answer
    x = 165,416.03

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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.