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Finding the Fourth Proportional to 73,776.84, 101,690.64 and 52,273.80

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Solution

The fourth proportional to 73,776.84, 101,690.64 and 52,273.80 is: 72,051.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,776.84 : 101,690.64 = 52,273.80 : x
  2. Step 2: Convert to fraction form
    73,776.84/101,690.64 = 52,273.80/x
  3. Step 3: Cross multiply
    73,776.84x = 101,690.64 × 52,273.80
  4. Step 4: Simplify right side
    73,776.84x = 5,315,756,177.23
  5. Step 5: Solve for x
    x = 5,315,756,177.23/73,776.84
  6. Step 6: Final answer
    x = 72,051.83

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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.