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Finding the Fourth Proportional to 98,230.80, 147,564.90 and 94,245.60

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Solution

The fourth proportional to 98,230.80, 147,564.90 and 94,245.60 is: 141,578.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,230.80 : 147,564.90 = 94,245.60 : x
  2. Step 2: Convert to fraction form
    98,230.80/147,564.90 = 94,245.60/x
  3. Step 3: Cross multiply
    98,230.80x = 147,564.90 × 94,245.60
  4. Step 4: Simplify right side
    98,230.80x = 13,907,342,539.44
  5. Step 5: Solve for x
    x = 13,907,342,539.44/98,230.80
  6. Step 6: Final answer
    x = 141,578.23

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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.