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Finding the Fourth Proportional to 73,855.70, 101,923.21 and 42,026.65

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Solution

The fourth proportional to 73,855.70, 101,923.21 and 42,026.65 is: 57,998.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,855.70 : 101,923.21 = 42,026.65 : x
  2. Step 2: Convert to fraction form
    73,855.70/101,923.21 = 42,026.65/x
  3. Step 3: Cross multiply
    73,855.70x = 101,923.21 × 42,026.65
  4. Step 4: Simplify right side
    73,855.70x = 4,283,490,871.27
  5. Step 5: Solve for x
    x = 4,283,490,871.27/73,855.70
  6. Step 6: Final answer
    x = 57,998.11

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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.