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Finding the Fourth Proportional to 108,009.44, 162,013.92 and 37,908.80

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Solution

The fourth proportional to 108,009.44, 162,013.92 and 37,908.80 is: 56,863.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,009.44 : 162,013.92 = 37,908.80 : x
  2. Step 2: Convert to fraction form
    108,009.44/162,013.92 = 37,908.80/x
  3. Step 3: Cross multiply
    108,009.44x = 162,013.92 × 37,908.80
  4. Step 4: Simplify right side
    108,009.44x = 6,141,753,290.50
  5. Step 5: Solve for x
    x = 6,141,753,290.50/108,009.44
  6. Step 6: Final answer
    x = 56,863.12

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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.