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Finding the Fourth Proportional to 101,113.62, 151,605.63 and 41,990.10

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Solution

The fourth proportional to 101,113.62, 151,605.63 and 41,990.10 is: 62,958.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,113.62 : 151,605.63 = 41,990.10 : x
  2. Step 2: Convert to fraction form
    101,113.62/151,605.63 = 41,990.10/x
  3. Step 3: Cross multiply
    101,113.62x = 151,605.63 × 41,990.10
  4. Step 4: Simplify right side
    101,113.62x = 6,365,935,564.26
  5. Step 5: Solve for x
    x = 6,365,935,564.26/101,113.62
  6. Step 6: Final answer
    x = 62,958.24

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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.