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Finding the Fourth Proportional to 181,903.60, 272,855.40 and 57,244.60

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Solution

The fourth proportional to 181,903.60, 272,855.40 and 57,244.60 is: 85,866.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,903.60 : 272,855.40 = 57,244.60 : x
  2. Step 2: Convert to fraction form
    181,903.60/272,855.40 = 57,244.60/x
  3. Step 3: Cross multiply
    181,903.60x = 272,855.40 × 57,244.60
  4. Step 4: Simplify right side
    181,903.60x = 15,619,498,230.84
  5. Step 5: Solve for x
    x = 15,619,498,230.84/181,903.60
  6. Step 6: Final answer
    x = 85,866.90

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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.