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Finding the Fourth Proportional to 119,648.82, 165,113.18 and 65,938.62

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Solution

The fourth proportional to 119,648.82, 165,113.18 and 65,938.62 is: 90,994.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,648.82 : 165,113.18 = 65,938.62 : x
  2. Step 2: Convert to fraction form
    119,648.82/165,113.18 = 65,938.62/x
  3. Step 3: Cross multiply
    119,648.82x = 165,113.18 × 65,938.62
  4. Step 4: Simplify right side
    119,648.82x = 10,887,335,233.01
  5. Step 5: Solve for x
    x = 10,887,335,233.01/119,648.82
  6. Step 6: Final answer
    x = 90,994.09

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.