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Finding the Fourth Proportional to 108,415.22, 162,638.33 and 33,541.76

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Solution

The fourth proportional to 108,415.22, 162,638.33 and 33,541.76 is: 50,317.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,415.22 : 162,638.33 = 33,541.76 : x
  2. Step 2: Convert to fraction form
    108,415.22/162,638.33 = 33,541.76/x
  3. Step 3: Cross multiply
    108,415.22x = 162,638.33 × 33,541.76
  4. Step 4: Simplify right side
    108,415.22x = 5,455,175,663.95
  5. Step 5: Solve for x
    x = 5,455,175,663.95/108,415.22
  6. Step 6: Final answer
    x = 50,317.43

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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.