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Finding the Fourth Proportional to 70,102.10, 104,968.62 and 41,955.41

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Solution

The fourth proportional to 70,102.10, 104,968.62 and 41,955.41 is: 62,822.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,102.10 : 104,968.62 = 41,955.41 : x
  2. Step 2: Convert to fraction form
    70,102.10/104,968.62 = 41,955.41/x
  3. Step 3: Cross multiply
    70,102.10x = 104,968.62 × 41,955.41
  4. Step 4: Simplify right side
    70,102.10x = 4,404,001,751.66
  5. Step 5: Solve for x
    x = 4,404,001,751.66/70,102.10
  6. Step 6: Final answer
    x = 62,822.68

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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.