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Finding the Fourth Proportional to 108,415.11, 162,638.16 and 33,541.65

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Solution

The fourth proportional to 108,415.11, 162,638.16 and 33,541.65 is: 50,317.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,415.11 : 162,638.16 = 33,541.65 : x
  2. Step 2: Convert to fraction form
    108,415.11/162,638.16 = 33,541.65/x
  3. Step 3: Cross multiply
    108,415.11x = 162,638.16 × 33,541.65
  4. Step 4: Simplify right side
    108,415.11x = 5,455,152,239.36
  5. Step 5: Solve for x
    x = 5,455,152,239.36/108,415.11
  6. Step 6: Final answer
    x = 50,317.27

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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.