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Finding the Fourth Proportional to 101,261.64, 151,891.89 and 41,289.89

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Solution

The fourth proportional to 101,261.64, 151,891.89 and 41,289.89 is: 61,934.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,261.64 : 151,891.89 = 41,289.89 : x
  2. Step 2: Convert to fraction form
    101,261.64/151,891.89 = 41,289.89/x
  3. Step 3: Cross multiply
    101,261.64x = 151,891.89 × 41,289.89
  4. Step 4: Simplify right side
    101,261.64x = 6,271,598,670.53
  5. Step 5: Solve for x
    x = 6,271,598,670.53/101,261.64
  6. Step 6: Final answer
    x = 61,934.60

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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.