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Finding the Fourth Proportional to 110,331.84, 165,431.04 and 49,531.08

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Solution

The fourth proportional to 110,331.84, 165,431.04 and 49,531.08 is: 74,266.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,331.84 : 165,431.04 = 49,531.08 : x
  2. Step 2: Convert to fraction form
    110,331.84/165,431.04 = 49,531.08/x
  3. Step 3: Cross multiply
    110,331.84x = 165,431.04 × 49,531.08
  4. Step 4: Simplify right side
    110,331.84x = 8,193,978,076.72
  5. Step 5: Solve for x
    x = 8,193,978,076.72/110,331.84
  6. Step 6: Final answer
    x = 74,266.67

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1.5x scale

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.