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Finding the Fourth Proportional to 65,898.36, 99,262.53 and 60,012.63

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Solution

The fourth proportional to 65,898.36, 99,262.53 and 60,012.63 is: 90,396.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,898.36 : 99,262.53 = 60,012.63 : x
  2. Step 2: Convert to fraction form
    65,898.36/99,262.53 = 60,012.63/x
  3. Step 3: Cross multiply
    65,898.36x = 99,262.53 × 60,012.63
  4. Step 4: Simplify right side
    65,898.36x = 5,957,005,485.75
  5. Step 5: Solve for x
    x = 5,957,005,485.75/65,898.36
  6. Step 6: Final answer
    x = 90,396.87

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.