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Finding the Fourth Proportional to 99,352.80, 149,029.20 and 65,527.20

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Solution

The fourth proportional to 99,352.80, 149,029.20 and 65,527.20 is: 98,290.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,352.80 : 149,029.20 = 65,527.20 : x
  2. Step 2: Convert to fraction form
    99,352.80/149,029.20 = 65,527.20/x
  3. Step 3: Cross multiply
    99,352.80x = 149,029.20 × 65,527.20
  4. Step 4: Simplify right side
    99,352.80x = 9,765,466,194.24
  5. Step 5: Solve for x
    x = 9,765,466,194.24/99,352.80
  6. Step 6: Final answer
    x = 98,290.80

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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.