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Finding the Fourth Proportional to 73,774.48, 110,684.40 and 65,933.68

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Solution

The fourth proportional to 73,774.48, 110,684.40 and 65,933.68 is: 98,920.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,774.48 : 110,684.40 = 65,933.68 : x
  2. Step 2: Convert to fraction form
    73,774.48/110,684.40 = 65,933.68/x
  3. Step 3: Cross multiply
    73,774.48x = 110,684.40 × 65,933.68
  4. Step 4: Simplify right side
    73,774.48x = 7,297,829,810.59
  5. Step 5: Solve for x
    x = 7,297,829,810.59/73,774.48
  6. Step 6: Final answer
    x = 98,920.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.