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Finding the Fourth Proportional to 58,840.62, 81,199.44 and 43,800.54

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Solution

The fourth proportional to 58,840.62, 81,199.44 and 43,800.54 is: 60,444.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,840.62 : 81,199.44 = 43,800.54 : x
  2. Step 2: Convert to fraction form
    58,840.62/81,199.44 = 43,800.54/x
  3. Step 3: Cross multiply
    58,840.62x = 81,199.44 × 43,800.54
  4. Step 4: Simplify right side
    58,840.62x = 3,556,579,319.70
  5. Step 5: Solve for x
    x = 3,556,579,319.70/58,840.62
  6. Step 6: Final answer
    x = 60,444.29

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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.