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Finding the Fourth Proportional to 85,843.83, 118,464.06 and 48,118.08

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Solution

The fourth proportional to 85,843.83, 118,464.06 and 48,118.08 is: 66,402.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,843.83 : 118,464.06 = 48,118.08 : x
  2. Step 2: Convert to fraction form
    85,843.83/118,464.06 = 48,118.08/x
  3. Step 3: Cross multiply
    85,843.83x = 118,464.06 × 48,118.08
  4. Step 4: Simplify right side
    85,843.83x = 5,700,263,116.20
  5. Step 5: Solve for x
    x = 5,700,263,116.20/85,843.83
  6. Step 6: Final answer
    x = 66,402.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.