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Finding the Fourth Proportional to 215,753.52, 297,741.33 and 120,266.22

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Solution

The fourth proportional to 215,753.52, 297,741.33 and 120,266.22 is: 165,968.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,753.52 : 297,741.33 = 120,266.22 : x
  2. Step 2: Convert to fraction form
    215,753.52/297,741.33 = 120,266.22/x
  3. Step 3: Cross multiply
    215,753.52x = 297,741.33 × 120,266.22
  4. Step 4: Simplify right side
    215,753.52x = 35,808,224,296.87
  5. Step 5: Solve for x
    x = 35,808,224,296.87/215,753.52
  6. Step 6: Final answer
    x = 165,968.20

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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.