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Finding the Fourth Proportional to 66,706.08, 100,064.40 and 22,333.02

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Solution

The fourth proportional to 66,706.08, 100,064.40 and 22,333.02 is: 33,501.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,706.08 : 100,064.40 = 22,333.02 : x
  2. Step 2: Convert to fraction form
    66,706.08/100,064.40 = 22,333.02/x
  3. Step 3: Cross multiply
    66,706.08x = 100,064.40 × 22,333.02
  4. Step 4: Simplify right side
    66,706.08x = 2,234,740,246.49
  5. Step 5: Solve for x
    x = 2,234,740,246.49/66,706.08
  6. Step 6: Final answer
    x = 33,501.30

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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.