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Finding the Fourth Proportional to 108,352.08, 162,567 and 66,750.48

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Solution

The fourth proportional to 108,352.08, 162,567 and 66,750.48 is: 100,149.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,352.08 : 162,567 = 66,750.48 : x
  2. Step 2: Convert to fraction form
    108,352.08/162,567 = 66,750.48/x
  3. Step 3: Cross multiply
    108,352.08x = 162,567 × 66,750.48
  4. Step 4: Simplify right side
    108,352.08x = 10,851,425,282.16
  5. Step 5: Solve for x
    x = 10,851,425,282.16/108,352.08
  6. Step 6: Final answer
    x = 100,149.67

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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.