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Finding the Fourth Proportional to 181,856.03, 272,784.05 and 55,496.94

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Solution

The fourth proportional to 181,856.03, 272,784.05 and 55,496.94 is: 83,245.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,856.03 : 272,784.05 = 55,496.94 : x
  2. Step 2: Convert to fraction form
    181,856.03/272,784.05 = 55,496.94/x
  3. Step 3: Cross multiply
    181,856.03x = 272,784.05 × 55,496.94
  4. Step 4: Simplify right side
    181,856.03x = 15,138,679,171.61
  5. Step 5: Solve for x
    x = 15,138,679,171.61/181,856.03
  6. Step 6: Final answer
    x = 83,245.41

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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.