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Finding the Fourth Proportional to 99,165.60, 136,850.18 and 53,843.58

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Solution

The fourth proportional to 99,165.60, 136,850.18 and 53,843.58 is: 74,305.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,165.60 : 136,850.18 = 53,843.58 : x
  2. Step 2: Convert to fraction form
    99,165.60/136,850.18 = 53,843.58/x
  3. Step 3: Cross multiply
    99,165.60x = 136,850.18 × 53,843.58
  4. Step 4: Simplify right side
    99,165.60x = 7,368,503,614.84
  5. Step 5: Solve for x
    x = 7,368,503,614.84/99,165.60
  6. Step 6: Final answer
    x = 74,305.04

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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.