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Finding the Fourth Proportional to 181,632.52, 272,448.54 and 56,983.24

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Solution

The fourth proportional to 181,632.52, 272,448.54 and 56,983.24 is: 85,474.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,632.52 : 272,448.54 = 56,983.24 : x
  2. Step 2: Convert to fraction form
    181,632.52/272,448.54 = 56,983.24/x
  3. Step 3: Cross multiply
    181,632.52x = 272,448.54 × 56,983.24
  4. Step 4: Simplify right side
    181,632.52x = 15,525,000,542.47
  5. Step 5: Solve for x
    x = 15,525,000,542.47/181,632.52
  6. Step 6: Final answer
    x = 85,474.78

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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.