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Finding the Fourth Proportional to 201,317.00, 302,024.80 and 100,162.78

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Solution

The fourth proportional to 201,317.00, 302,024.80 and 100,162.78 is: 150,268.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,317.00 : 302,024.80 = 100,162.78 : x
  2. Step 2: Convert to fraction form
    201,317.00/302,024.80 = 100,162.78/x
  3. Step 3: Cross multiply
    201,317.00x = 302,024.80 × 100,162.78
  4. Step 4: Simplify right side
    201,317.00x = 30,251,642,967.09
  5. Step 5: Solve for x
    x = 30,251,642,967.09/201,317.00
  6. Step 6: Final answer
    x = 150,268.70

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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.