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Finding the Fourth Proportional to 106,380.60, 159,570.90 and 96,012.60

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Solution

The fourth proportional to 106,380.60, 159,570.90 and 96,012.60 is: 144,018.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,380.60 : 159,570.90 = 96,012.60 : x
  2. Step 2: Convert to fraction form
    106,380.60/159,570.90 = 96,012.60/x
  3. Step 3: Cross multiply
    106,380.60x = 159,570.90 × 96,012.60
  4. Step 4: Simplify right side
    106,380.60x = 15,320,816,993.34
  5. Step 5: Solve for x
    x = 15,320,816,993.34/106,380.60
  6. Step 6: Final answer
    x = 144,018.90

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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.