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Finding the Fourth Proportional to 188,265.60, 259,905.60 and 116,611.20

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Solution

The fourth proportional to 188,265.60, 259,905.60 and 116,611.20 is: 160,984.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,265.60 : 259,905.60 = 116,611.20 : x
  2. Step 2: Convert to fraction form
    188,265.60/259,905.60 = 116,611.20/x
  3. Step 3: Cross multiply
    188,265.60x = 259,905.60 × 116,611.20
  4. Step 4: Simplify right side
    188,265.60x = 30,307,903,902.72
  5. Step 5: Solve for x
    x = 30,307,903,902.72/188,265.60
  6. Step 6: Final answer
    x = 160,984.82

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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.