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Finding the Fourth Proportional to 181,817.58, 272,742.13 and 55,486.27

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Solution

The fourth proportional to 181,817.58, 272,742.13 and 55,486.27 is: 83,234.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,817.58 : 272,742.13 = 55,486.27 : x
  2. Step 2: Convert to fraction form
    181,817.58/272,742.13 = 55,486.27/x
  3. Step 3: Cross multiply
    181,817.58x = 272,742.13 × 55,486.27
  4. Step 4: Simplify right side
    181,817.58x = 15,133,442,101.84
  5. Step 5: Solve for x
    x = 15,133,442,101.84/181,817.58
  6. Step 6: Final answer
    x = 83,234.21

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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.