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Finding the Fourth Proportional to 215,164.30, 296,905.96 and 124,502.22

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Solution

The fourth proportional to 215,164.30, 296,905.96 and 124,502.22 is: 171,801.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,164.30 : 296,905.96 = 124,502.22 : x
  2. Step 2: Convert to fraction form
    215,164.30/296,905.96 = 124,502.22/x
  3. Step 3: Cross multiply
    215,164.30x = 296,905.96 × 124,502.22
  4. Step 4: Simplify right side
    215,164.30x = 36,965,451,151.23
  5. Step 5: Solve for x
    x = 36,965,451,151.23/215,164.30
  6. Step 6: Final answer
    x = 171,801.04

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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.