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Finding the Fourth Proportional to 100,362.61, 150,550.85 and 29,284.12

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Solution

The fourth proportional to 100,362.61, 150,550.85 and 29,284.12 is: 43,928.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,362.61 : 150,550.85 = 29,284.12 : x
  2. Step 2: Convert to fraction form
    100,362.61/150,550.85 = 29,284.12/x
  3. Step 3: Cross multiply
    100,362.61x = 150,550.85 × 29,284.12
  4. Step 4: Simplify right side
    100,362.61x = 4,408,749,157.50
  5. Step 5: Solve for x
    x = 4,408,749,157.50/100,362.61
  6. Step 6: Final answer
    x = 43,928.20

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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.