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Finding the Fourth Proportional to 73,192.69, 101,005.98 and 39,658.69

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Solution

The fourth proportional to 73,192.69, 101,005.98 and 39,658.69 is: 54,729.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,192.69 : 101,005.98 = 39,658.69 : x
  2. Step 2: Convert to fraction form
    73,192.69/101,005.98 = 39,658.69/x
  3. Step 3: Cross multiply
    73,192.69x = 101,005.98 × 39,658.69
  4. Step 4: Simplify right side
    73,192.69x = 4,005,764,848.97
  5. Step 5: Solve for x
    x = 4,005,764,848.97/73,192.69
  6. Step 6: Final answer
    x = 54,729.03

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1.5x scale

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.