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Finding the Fourth Proportional to 85,891, 118,529.58 and 48,165.26

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Solution

The fourth proportional to 85,891, 118,529.58 and 48,165.26 is: 66,468.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,891 : 118,529.58 = 48,165.26 : x
  2. Step 2: Convert to fraction form
    85,891/118,529.58 = 48,165.26/x
  3. Step 3: Cross multiply
    85,891x = 118,529.58 × 48,165.26
  4. Step 4: Simplify right side
    85,891x = 5,709,008,038.39
  5. Step 5: Solve for x
    x = 5,709,008,038.39/85,891
  6. Step 6: Final answer
    x = 66,468.06

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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.