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Finding the Fourth Proportional to 119,637.95, 165,107.73 and 65,922.95

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Solution

The fourth proportional to 119,637.95, 165,107.73 and 65,922.95 is: 90,977.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,637.95 : 165,107.73 = 65,922.95 : x
  2. Step 2: Convert to fraction form
    119,637.95/165,107.73 = 65,922.95/x
  3. Step 3: Cross multiply
    119,637.95x = 165,107.73 × 65,922.95
  4. Step 4: Simplify right side
    119,637.95x = 10,884,389,289.38
  5. Step 5: Solve for x
    x = 10,884,389,289.38/119,637.95
  6. Step 6: Final answer
    x = 90,977.74

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Why These Related Problems?

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