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Finding the Fourth Proportional to 181,931.20, 272,896.80 and 174,932.80

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Solution

The fourth proportional to 181,931.20, 272,896.80 and 174,932.80 is: 262,399.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,931.20 : 272,896.80 = 174,932.80 : x
  2. Step 2: Convert to fraction form
    181,931.20/272,896.80 = 174,932.80/x
  3. Step 3: Cross multiply
    181,931.20x = 272,896.80 × 174,932.80
  4. Step 4: Simplify right side
    181,931.20x = 47,738,601,335.04
  5. Step 5: Solve for x
    x = 47,738,601,335.04/181,931.20
  6. Step 6: Final answer
    x = 262,399.20

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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.