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Finding the Fourth Proportional to 96,895.98, 145,218.21 and 43,548.54

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Solution

The fourth proportional to 96,895.98, 145,218.21 and 43,548.54 is: 65,266.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,895.98 : 145,218.21 = 43,548.54 : x
  2. Step 2: Convert to fraction form
    96,895.98/145,218.21 = 43,548.54/x
  3. Step 3: Cross multiply
    96,895.98x = 145,218.21 × 43,548.54
  4. Step 4: Simplify right side
    96,895.98x = 6,324,041,026.91
  5. Step 5: Solve for x
    x = 6,324,041,026.91/96,895.98
  6. Step 6: Final answer
    x = 65,266.29

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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.