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Finding the Fourth Proportional to 84,762.52, 127,165.30 and 59,851

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Solution

The fourth proportional to 84,762.52, 127,165.30 and 59,851 is: 89,791.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,762.52 : 127,165.30 = 59,851 : x
  2. Step 2: Convert to fraction form
    84,762.52/127,165.30 = 59,851/x
  3. Step 3: Cross multiply
    84,762.52x = 127,165.30 × 59,851
  4. Step 4: Simplify right side
    84,762.52x = 7,610,970,370.30
  5. Step 5: Solve for x
    x = 7,610,970,370.30/84,762.52
  6. Step 6: Final answer
    x = 89,791.70

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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.