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Finding the Fourth Proportional to 60,963.10, 84,157.84 and 45,861.51

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Solution

The fourth proportional to 60,963.10, 84,157.84 and 45,861.51 is: 63,310.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,963.10 : 84,157.84 = 45,861.51 : x
  2. Step 2: Convert to fraction form
    60,963.10/84,157.84 = 45,861.51/x
  3. Step 3: Cross multiply
    60,963.10x = 84,157.84 × 45,861.51
  4. Step 4: Simplify right side
    60,963.10x = 3,859,605,262.30
  5. Step 5: Solve for x
    x = 3,859,605,262.30/60,963.10
  6. Step 6: Final answer
    x = 63,310.52

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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.