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Finding the Fourth Proportional to 101,886.12, 152,773.20 and 35,320.32

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Solution

The fourth proportional to 101,886.12, 152,773.20 and 35,320.32 is: 52,961.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,886.12 : 152,773.20 = 35,320.32 : x
  2. Step 2: Convert to fraction form
    101,886.12/152,773.20 = 35,320.32/x
  3. Step 3: Cross multiply
    101,886.12x = 152,773.20 × 35,320.32
  4. Step 4: Simplify right side
    101,886.12x = 5,395,998,311.42
  5. Step 5: Solve for x
    x = 5,395,998,311.42/101,886.12
  6. Step 6: Final answer
    x = 52,961.07

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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.