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Finding the Fourth Proportional to 98,647.93, 136,101.90 and 60,367.60

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Solution

The fourth proportional to 98,647.93, 136,101.90 and 60,367.60 is: 83,287.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,647.93 : 136,101.90 = 60,367.60 : x
  2. Step 2: Convert to fraction form
    98,647.93/136,101.90 = 60,367.60/x
  3. Step 3: Cross multiply
    98,647.93x = 136,101.90 × 60,367.60
  4. Step 4: Simplify right side
    98,647.93x = 8,216,145,058.44
  5. Step 5: Solve for x
    x = 8,216,145,058.44/98,647.93
  6. Step 6: Final answer
    x = 83,287.56

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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.