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Finding the Fourth Proportional to 73,658.58, 101,644.04 and 43,436.98

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Solution

The fourth proportional to 73,658.58, 101,644.04 and 43,436.98 is: 59,940.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,658.58 : 101,644.04 = 43,436.98 : x
  2. Step 2: Convert to fraction form
    73,658.58/101,644.04 = 43,436.98/x
  3. Step 3: Cross multiply
    73,658.58x = 101,644.04 × 43,436.98
  4. Step 4: Simplify right side
    73,658.58x = 4,415,110,132.60
  5. Step 5: Solve for x
    x = 4,415,110,132.60/73,658.58
  6. Step 6: Final answer
    x = 59,940.20

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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.