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Finding the Fourth Proportional to 202,039.56, 302,610.96 and 130,732.92

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Solution

The fourth proportional to 202,039.56, 302,610.96 and 130,732.92 is: 195,809.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,039.56 : 302,610.96 = 130,732.92 : x
  2. Step 2: Convert to fraction form
    202,039.56/302,610.96 = 130,732.92/x
  3. Step 3: Cross multiply
    202,039.56x = 302,610.96 × 130,732.92
  4. Step 4: Simplify right side
    202,039.56x = 39,561,214,424.80
  5. Step 5: Solve for x
    x = 39,561,214,424.80/202,039.56
  6. Step 6: Final answer
    x = 195,809.25

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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.