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Finding the Fourth Proportional to 215,558.74, 297,471.12 and 124,967.22

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Solution

The fourth proportional to 215,558.74, 297,471.12 and 124,967.22 is: 172,454.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,558.74 : 297,471.12 = 124,967.22 : x
  2. Step 2: Convert to fraction form
    215,558.74/297,471.12 = 124,967.22/x
  3. Step 3: Cross multiply
    215,558.74x = 297,471.12 × 124,967.22
  4. Step 4: Simplify right side
    215,558.74x = 37,174,138,896.69
  5. Step 5: Solve for x
    x = 37,174,138,896.69/215,558.74
  6. Step 6: Final answer
    x = 172,454.80

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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.