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Finding the Fourth Proportional to 101,158.61, 151,805.61 and 41,994.32

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Solution

The fourth proportional to 101,158.61, 151,805.61 and 41,994.32 is: 63,019.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,158.61 : 151,805.61 = 41,994.32 : x
  2. Step 2: Convert to fraction form
    101,158.61/151,805.61 = 41,994.32/x
  3. Step 3: Cross multiply
    101,158.61x = 151,805.61 × 41,994.32
  4. Step 4: Simplify right side
    101,158.61x = 6,374,972,605.11
  5. Step 5: Solve for x
    x = 6,374,972,605.11/101,158.61
  6. Step 6: Final answer
    x = 63,019.58

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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.