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Finding the Fourth Proportional to 58,843.34, 81,125.79 and 48,734.54

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Solution

The fourth proportional to 58,843.34, 81,125.79 and 48,734.54 is: 67,189.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,843.34 : 81,125.79 = 48,734.54 : x
  2. Step 2: Convert to fraction form
    58,843.34/81,125.79 = 48,734.54/x
  3. Step 3: Cross multiply
    58,843.34x = 81,125.79 × 48,734.54
  4. Step 4: Simplify right side
    58,843.34x = 3,953,628,057.79
  5. Step 5: Solve for x
    x = 3,953,628,057.79/58,843.34
  6. Step 6: Final answer
    x = 67,189.05

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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.