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Finding the Fourth Proportional to 85,493.93, 117,987.74 and 47,252.66

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Solution

The fourth proportional to 85,493.93, 117,987.74 and 47,252.66 is: 65,212.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,493.93 : 117,987.74 = 47,252.66 : x
  2. Step 2: Convert to fraction form
    85,493.93/117,987.74 = 47,252.66/x
  3. Step 3: Cross multiply
    85,493.93x = 117,987.74 × 47,252.66
  4. Step 4: Simplify right side
    85,493.93x = 5,575,233,736.19
  5. Step 5: Solve for x
    x = 5,575,233,736.19/85,493.93
  6. Step 6: Final answer
    x = 65,212.05

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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.