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Finding the Fourth Proportional to 100,511.60, 150,767.40 and 48,023.60

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Solution

The fourth proportional to 100,511.60, 150,767.40 and 48,023.60 is: 72,035.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,511.60 : 150,767.40 = 48,023.60 : x
  2. Step 2: Convert to fraction form
    100,511.60/150,767.40 = 48,023.60/x
  3. Step 3: Cross multiply
    100,511.60x = 150,767.40 × 48,023.60
  4. Step 4: Simplify right side
    100,511.60x = 7,240,393,310.64
  5. Step 5: Solve for x
    x = 7,240,393,310.64/100,511.60
  6. Step 6: Final answer
    x = 72,035.40

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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.