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Finding the Fourth Proportional to 119,677.44, 165,152.70 and 65,230.08

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Solution

The fourth proportional to 119,677.44, 165,152.70 and 65,230.08 is: 90,016.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,677.44 : 165,152.70 = 65,230.08 : x
  2. Step 2: Convert to fraction form
    119,677.44/165,152.70 = 65,230.08/x
  3. Step 3: Cross multiply
    119,677.44x = 165,152.70 × 65,230.08
  4. Step 4: Simplify right side
    119,677.44x = 10,772,923,833.22
  5. Step 5: Solve for x
    x = 10,772,923,833.22/119,677.44
  6. Step 6: Final answer
    x = 90,016.33

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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.