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Finding the Fourth Proportional to 101,151.34, 151,794.63 and 41,987.02

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Solution

The fourth proportional to 101,151.34, 151,794.63 and 41,987.02 is: 63,008.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,151.34 : 151,794.63 = 41,987.02 : x
  2. Step 2: Convert to fraction form
    101,151.34/151,794.63 = 41,987.02/x
  3. Step 3: Cross multiply
    101,151.34x = 151,794.63 × 41,987.02
  4. Step 4: Simplify right side
    101,151.34x = 6,373,404,165.70
  5. Step 5: Solve for x
    x = 6,373,404,165.70/101,151.34
  6. Step 6: Final answer
    x = 63,008.60

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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.