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Finding the Fourth Proportional to 108,570.81, 162,848.34 and 33,689.04

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Solution

The fourth proportional to 108,570.81, 162,848.34 and 33,689.04 is: 50,531.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,570.81 : 162,848.34 = 33,689.04 : x
  2. Step 2: Convert to fraction form
    108,570.81/162,848.34 = 33,689.04/x
  3. Step 3: Cross multiply
    108,570.81x = 162,848.34 × 33,689.04
  4. Step 4: Simplify right side
    108,570.81x = 5,486,204,240.19
  5. Step 5: Solve for x
    x = 5,486,204,240.19/108,570.81
  6. Step 6: Final answer
    x = 50,531.12

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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.