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Finding the Fourth Proportional to 203,727.59, 305,404.29 and 70,514.68

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Solution

The fourth proportional to 203,727.59, 305,404.29 and 70,514.68 is: 105,707.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,727.59 : 305,404.29 = 70,514.68 : x
  2. Step 2: Convert to fraction form
    203,727.59/305,404.29 = 70,514.68/x
  3. Step 3: Cross multiply
    203,727.59x = 305,404.29 × 70,514.68
  4. Step 4: Simplify right side
    203,727.59x = 21,535,485,779.98
  5. Step 5: Solve for x
    x = 21,535,485,779.98/203,727.59
  6. Step 6: Final answer
    x = 105,707.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.