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Finding the Fourth Proportional to 108,107.33, 162,260.64 and 54,836.69

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Solution

The fourth proportional to 108,107.33, 162,260.64 and 54,836.69 is: 82,305.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,107.33 : 162,260.64 = 54,836.69 : x
  2. Step 2: Convert to fraction form
    108,107.33/162,260.64 = 54,836.69/x
  3. Step 3: Cross multiply
    108,107.33x = 162,260.64 × 54,836.69
  4. Step 4: Simplify right side
    108,107.33x = 8,897,835,603.58
  5. Step 5: Solve for x
    x = 8,897,835,603.58/108,107.33
  6. Step 6: Final answer
    x = 82,305.58

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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.