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Finding the Fourth Proportional to 249,992.73, 375,028.20 and 81,473.90

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Solution

The fourth proportional to 249,992.73, 375,028.20 and 81,473.90 is: 122,223.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,992.73 : 375,028.20 = 81,473.90 : x
  2. Step 2: Convert to fraction form
    249,992.73/375,028.20 = 81,473.90/x
  3. Step 3: Cross multiply
    249,992.73x = 375,028.20 × 81,473.90
  4. Step 4: Simplify right side
    249,992.73x = 30,555,008,188.84
  5. Step 5: Solve for x
    x = 30,555,008,188.84/249,992.73
  6. Step 6: Final answer
    x = 122,223.59

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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.