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Finding the Fourth Proportional to 105,759.66, 158,575.60 and 49,612.08

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Solution

The fourth proportional to 105,759.66, 158,575.60 and 49,612.08 is: 74,388.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,759.66 : 158,575.60 = 49,612.08 : x
  2. Step 2: Convert to fraction form
    105,759.66/158,575.60 = 49,612.08/x
  3. Step 3: Cross multiply
    105,759.66x = 158,575.60 × 49,612.08
  4. Step 4: Simplify right side
    105,759.66x = 7,867,265,353.25
  5. Step 5: Solve for x
    x = 7,867,265,353.25/105,759.66
  6. Step 6: Final answer
    x = 74,388.15

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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.