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Finding the Fourth Proportional to 85,889, 118,526.82 and 48,163.26

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Solution

The fourth proportional to 85,889, 118,526.82 and 48,163.26 is: 66,465.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,889 : 118,526.82 = 48,163.26 : x
  2. Step 2: Convert to fraction form
    85,889/118,526.82 = 48,163.26/x
  3. Step 3: Cross multiply
    85,889x = 118,526.82 × 48,163.26
  4. Step 4: Simplify right side
    85,889x = 5,708,638,048.63
  5. Step 5: Solve for x
    x = 5,708,638,048.63/85,889
  6. Step 6: Final answer
    x = 66,465.30

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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.