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Finding the Fourth Proportional to 104,992.74, 157,490.73 and 58,540.86

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Solution

The fourth proportional to 104,992.74, 157,490.73 and 58,540.86 is: 87,812.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,992.74 : 157,490.73 = 58,540.86 : x
  2. Step 2: Convert to fraction form
    104,992.74/157,490.73 = 58,540.86/x
  3. Step 3: Cross multiply
    104,992.74x = 157,490.73 × 58,540.86
  4. Step 4: Simplify right side
    104,992.74x = 9,219,642,776.23
  5. Step 5: Solve for x
    x = 9,219,642,776.23/104,992.74
  6. Step 6: Final answer
    x = 87,812.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.