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Finding the Fourth Proportional to 100,562.60, 150,843.90 and 65,570.60

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Solution

The fourth proportional to 100,562.60, 150,843.90 and 65,570.60 is: 98,355.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,562.60 : 150,843.90 = 65,570.60 : x
  2. Step 2: Convert to fraction form
    100,562.60/150,843.90 = 65,570.60/x
  3. Step 3: Cross multiply
    100,562.60x = 150,843.90 × 65,570.60
  4. Step 4: Simplify right side
    100,562.60x = 9,890,925,029.34
  5. Step 5: Solve for x
    x = 9,890,925,029.34/100,562.60
  6. Step 6: Final answer
    x = 98,355.90

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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.