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Finding the Fourth Proportional to 119,017.92, 164,241.90 and 65,302.44

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Solution

The fourth proportional to 119,017.92, 164,241.90 and 65,302.44 is: 90,115.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,017.92 : 164,241.90 = 65,302.44 : x
  2. Step 2: Convert to fraction form
    119,017.92/164,241.90 = 65,302.44/x
  3. Step 3: Cross multiply
    119,017.92x = 164,241.90 × 65,302.44
  4. Step 4: Simplify right side
    119,017.92x = 10,725,396,820.24
  5. Step 5: Solve for x
    x = 10,725,396,820.24/119,017.92
  6. Step 6: Final answer
    x = 90,115.81

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1.5x scale

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.