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Finding the Fourth Proportional to 69,848.91, 96,393.59 and 43,006.91

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Solution

The fourth proportional to 69,848.91, 96,393.59 and 43,006.91 is: 59,350.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,848.91 : 96,393.59 = 43,006.91 : x
  2. Step 2: Convert to fraction form
    69,848.91/96,393.59 = 43,006.91/x
  3. Step 3: Cross multiply
    69,848.91x = 96,393.59 × 43,006.91
  4. Step 4: Simplify right side
    69,848.91x = 4,145,589,913.98
  5. Step 5: Solve for x
    x = 4,145,589,913.98/69,848.91
  6. Step 6: Final answer
    x = 59,350.82

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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.