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Finding the Fourth Proportional to 136,008.30, 204,012.15 and 36,168.51

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Solution

The fourth proportional to 136,008.30, 204,012.15 and 36,168.51 is: 54,252.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,008.30 : 204,012.15 = 36,168.51 : x
  2. Step 2: Convert to fraction form
    136,008.30/204,012.15 = 36,168.51/x
  3. Step 3: Cross multiply
    136,008.30x = 204,012.15 × 36,168.51
  4. Step 4: Simplify right side
    136,008.30x = 7,378,815,487.40
  5. Step 5: Solve for x
    x = 7,378,815,487.40/136,008.30
  6. Step 6: Final answer
    x = 54,252.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.