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Finding the Fourth Proportional to 144,028.73, 215,624.73 and 83,873.81

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Solution

The fourth proportional to 144,028.73, 215,624.73 and 83,873.81 is: 125,567.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,028.73 : 215,624.73 = 83,873.81 : x
  2. Step 2: Convert to fraction form
    144,028.73/215,624.73 = 83,873.81/x
  3. Step 3: Cross multiply
    144,028.73x = 215,624.73 × 83,873.81
  4. Step 4: Simplify right side
    144,028.73x = 18,085,268,488.91
  5. Step 5: Solve for x
    x = 18,085,268,488.91/144,028.73
  6. Step 6: Final answer
    x = 125,567.09

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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.