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Finding the Fourth Proportional to 114,863.60, 171,949.80 and 101,039.60

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Solution

The fourth proportional to 114,863.60, 171,949.80 and 101,039.60 is: 151,255.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,863.60 : 171,949.80 = 101,039.60 : x
  2. Step 2: Convert to fraction form
    114,863.60/171,949.80 = 101,039.60/x
  3. Step 3: Cross multiply
    114,863.60x = 171,949.80 × 101,039.60
  4. Step 4: Simplify right side
    114,863.60x = 17,373,739,012.08
  5. Step 5: Solve for x
    x = 17,373,739,012.08/114,863.60
  6. Step 6: Final answer
    x = 151,255.39

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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.