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Finding the Fourth Proportional to 202,939.16, 280,134.50 and 181,681.48

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Solution

The fourth proportional to 202,939.16, 280,134.50 and 181,681.48 is: 250,790.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,939.16 : 280,134.50 = 181,681.48 : x
  2. Step 2: Convert to fraction form
    202,939.16/280,134.50 = 181,681.48/x
  3. Step 3: Cross multiply
    202,939.16x = 280,134.50 × 181,681.48
  4. Step 4: Simplify right side
    202,939.16x = 50,895,250,559.06
  5. Step 5: Solve for x
    x = 50,895,250,559.06/202,939.16
  6. Step 6: Final answer
    x = 250,790.68

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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.