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Finding the Fourth Proportional to 108,006.84, 161,960.04 and 33,107.76

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Solution

The fourth proportional to 108,006.84, 161,960.04 and 33,107.76 is: 49,646.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,006.84 : 161,960.04 = 33,107.76 : x
  2. Step 2: Convert to fraction form
    108,006.84/161,960.04 = 33,107.76/x
  3. Step 3: Cross multiply
    108,006.84x = 161,960.04 × 33,107.76
  4. Step 4: Simplify right side
    108,006.84x = 5,362,134,133.91
  5. Step 5: Solve for x
    x = 5,362,134,133.91/108,006.84
  6. Step 6: Final answer
    x = 49,646.25

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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.