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Finding the Fourth Proportional to 215,506.02, 297,379.26 and 124,833

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Solution

The fourth proportional to 215,506.02, 297,379.26 and 124,833 is: 172,258.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,506.02 : 297,379.26 = 124,833 : x
  2. Step 2: Convert to fraction form
    215,506.02/297,379.26 = 124,833/x
  3. Step 3: Cross multiply
    215,506.02x = 297,379.26 × 124,833
  4. Step 4: Simplify right side
    215,506.02x = 37,122,745,163.58
  5. Step 5: Solve for x
    x = 37,122,745,163.58/215,506.02
  6. Step 6: Final answer
    x = 172,258.51

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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.