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Finding the Fourth Proportional to 99,600.80, 149,444.40 and 50,352.80

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Solution

The fourth proportional to 99,600.80, 149,444.40 and 50,352.80 is: 75,551.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,600.80 : 149,444.40 = 50,352.80 : x
  2. Step 2: Convert to fraction form
    99,600.80/149,444.40 = 50,352.80/x
  3. Step 3: Cross multiply
    99,600.80x = 149,444.40 × 50,352.80
  4. Step 4: Simplify right side
    99,600.80x = 7,524,943,984.32
  5. Step 5: Solve for x
    x = 7,524,943,984.32/99,600.80
  6. Step 6: Final answer
    x = 75,551.04

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1.5x scale

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.