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Finding the Fourth Proportional to 99,850.59, 149,874.30 and 60,484.59

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Solution

The fourth proportional to 99,850.59, 149,874.30 and 60,484.59 is: 90,786.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,850.59 : 149,874.30 = 60,484.59 : x
  2. Step 2: Convert to fraction form
    99,850.59/149,874.30 = 60,484.59/x
  3. Step 3: Cross multiply
    99,850.59x = 149,874.30 × 60,484.59
  4. Step 4: Simplify right side
    99,850.59x = 9,065,085,587.04
  5. Step 5: Solve for x
    x = 9,065,085,587.04/99,850.59
  6. Step 6: Final answer
    x = 90,786.50

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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.