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Finding the Fourth Proportional to 68,019.90, 93,865.56 and 37,804.44

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Solution

The fourth proportional to 68,019.90, 93,865.56 and 37,804.44 is: 52,169.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,019.90 : 93,865.56 = 37,804.44 : x
  2. Step 2: Convert to fraction form
    68,019.90/93,865.56 = 37,804.44/x
  3. Step 3: Cross multiply
    68,019.90x = 93,865.56 × 37,804.44
  4. Step 4: Simplify right side
    68,019.90x = 3,548,534,931.09
  5. Step 5: Solve for x
    x = 3,548,534,931.09/68,019.90
  6. Step 6: Final answer
    x = 52,169.07

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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.