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Finding the Fourth Proportional to 181,420.80, 272,131.80 and 55,062.12

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Solution

The fourth proportional to 181,420.80, 272,131.80 and 55,062.12 is: 82,593.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,420.80 : 272,131.80 = 55,062.12 : x
  2. Step 2: Convert to fraction form
    181,420.80/272,131.80 = 55,062.12/x
  3. Step 3: Cross multiply
    181,420.80x = 272,131.80 × 55,062.12
  4. Step 4: Simplify right side
    181,420.80x = 14,984,153,827.42
  5. Step 5: Solve for x
    x = 14,984,153,827.42/181,420.80
  6. Step 6: Final answer
    x = 82,593.36

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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.