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Finding the Fourth Proportional to 114,611.60, 158,156.08 and 63,620.32

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Solution

The fourth proportional to 114,611.60, 158,156.08 and 63,620.32 is: 87,791.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,611.60 : 158,156.08 = 63,620.32 : x
  2. Step 2: Convert to fraction form
    114,611.60/158,156.08 = 63,620.32/x
  3. Step 3: Cross multiply
    114,611.60x = 158,156.08 × 63,620.32
  4. Step 4: Simplify right side
    114,611.60x = 10,061,940,419.55
  5. Step 5: Solve for x
    x = 10,061,940,419.55/114,611.60
  6. Step 6: Final answer
    x = 87,791.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.