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Finding the Fourth Proportional to 77,898.48, 116,796.60 and 27,953.52

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Solution

The fourth proportional to 77,898.48, 116,796.60 and 27,953.52 is: 41,911.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,898.48 : 116,796.60 = 27,953.52 : x
  2. Step 2: Convert to fraction form
    77,898.48/116,796.60 = 27,953.52/x
  3. Step 3: Cross multiply
    77,898.48x = 116,796.60 × 27,953.52
  4. Step 4: Simplify right side
    77,898.48x = 3,264,876,094.03
  5. Step 5: Solve for x
    x = 3,264,876,094.03/77,898.48
  6. Step 6: Final answer
    x = 41,911.94

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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.