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Finding the Fourth Proportional to 66,914.36, 100,496.30 and 58,911.96

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Solution

The fourth proportional to 66,914.36, 100,496.30 and 58,911.96 is: 88,477.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,914.36 : 100,496.30 = 58,911.96 : x
  2. Step 2: Convert to fraction form
    66,914.36/100,496.30 = 58,911.96/x
  3. Step 3: Cross multiply
    66,914.36x = 100,496.30 × 58,911.96
  4. Step 4: Simplify right side
    66,914.36x = 5,920,433,711.19
  5. Step 5: Solve for x
    x = 5,920,433,711.19/66,914.36
  6. Step 6: Final answer
    x = 88,477.78

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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.