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Finding the Fourth Proportional to 85,593.51, 118,122.57 and 47,352.43

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Solution

The fourth proportional to 85,593.51, 118,122.57 and 47,352.43 is: 65,348.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,593.51 : 118,122.57 = 47,352.43 : x
  2. Step 2: Convert to fraction form
    85,593.51/118,122.57 = 47,352.43/x
  3. Step 3: Cross multiply
    85,593.51x = 118,122.57 × 47,352.43
  4. Step 4: Simplify right side
    85,593.51x = 5,593,390,875.00
  5. Step 5: Solve for x
    x = 5,593,390,875.00/85,593.51
  6. Step 6: Final answer
    x = 65,348.31

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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.