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Finding the Fourth Proportional to 108,027.12, 162,056.88 and 37,894.08

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Solution

The fourth proportional to 108,027.12, 162,056.88 and 37,894.08 is: 56,846.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,027.12 : 162,056.88 = 37,894.08 : x
  2. Step 2: Convert to fraction form
    108,027.12/162,056.88 = 37,894.08/x
  3. Step 3: Cross multiply
    108,027.12x = 162,056.88 × 37,894.08
  4. Step 4: Simplify right side
    108,027.12x = 6,140,996,375.27
  5. Step 5: Solve for x
    x = 6,140,996,375.27/108,027.12
  6. Step 6: Final answer
    x = 56,846.80

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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.