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Finding the Fourth Proportional to 202,412.67, 279,354.12 and 117,529.73

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Solution

The fourth proportional to 202,412.67, 279,354.12 and 117,529.73 is: 162,205.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,412.67 : 279,354.12 = 117,529.73 : x
  2. Step 2: Convert to fraction form
    202,412.67/279,354.12 = 117,529.73/x
  3. Step 3: Cross multiply
    202,412.67x = 279,354.12 × 117,529.73
  4. Step 4: Simplify right side
    202,412.67x = 32,832,415,079.43
  5. Step 5: Solve for x
    x = 32,832,415,079.43/202,412.67
  6. Step 6: Final answer
    x = 162,205.33

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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.