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Finding the Fourth Proportional to 114,130.60, 171,103.16 and 47,620.32

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Solution

The fourth proportional to 114,130.60, 171,103.16 and 47,620.32 is: 71,391.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,130.60 : 171,103.16 = 47,620.32 : x
  2. Step 2: Convert to fraction form
    114,130.60/171,103.16 = 47,620.32/x
  3. Step 3: Cross multiply
    114,130.60x = 171,103.16 × 47,620.32
  4. Step 4: Simplify right side
    114,130.60x = 8,147,987,232.21
  5. Step 5: Solve for x
    x = 8,147,987,232.21/114,130.60
  6. Step 6: Final answer
    x = 71,391.78

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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.