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Finding the Fourth Proportional to 71,599.14, 98,801.03 and 41,386.43

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Solution

The fourth proportional to 71,599.14, 98,801.03 and 41,386.43 is: 57,109.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,599.14 : 98,801.03 = 41,386.43 : x
  2. Step 2: Convert to fraction form
    71,599.14/98,801.03 = 41,386.43/x
  3. Step 3: Cross multiply
    71,599.14x = 98,801.03 × 41,386.43
  4. Step 4: Simplify right side
    71,599.14x = 4,089,021,211.09
  5. Step 5: Solve for x
    x = 4,089,021,211.09/71,599.14
  6. Step 6: Final answer
    x = 57,109.92

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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.