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Finding the Fourth Proportional to 119,817.95, 165,230.64 and 92,950.65

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Solution

The fourth proportional to 119,817.95, 165,230.64 and 92,950.65 is: 128,180.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,817.95 : 165,230.64 = 92,950.65 : x
  2. Step 2: Convert to fraction form
    119,817.95/165,230.64 = 92,950.65/x
  3. Step 3: Cross multiply
    119,817.95x = 165,230.64 × 92,950.65
  4. Step 4: Simplify right side
    119,817.95x = 15,358,295,387.92
  5. Step 5: Solve for x
    x = 15,358,295,387.92/119,817.95
  6. Step 6: Final answer
    x = 128,180.26

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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.