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Finding the Fourth Proportional to 197,333.20, 295,999.80 and 86,525.20

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Solution

The fourth proportional to 197,333.20, 295,999.80 and 86,525.20 is: 129,787.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,333.20 : 295,999.80 = 86,525.20 : x
  2. Step 2: Convert to fraction form
    197,333.20/295,999.80 = 86,525.20/x
  3. Step 3: Cross multiply
    197,333.20x = 295,999.80 × 86,525.20
  4. Step 4: Simplify right side
    197,333.20x = 25,611,441,894.96
  5. Step 5: Solve for x
    x = 25,611,441,894.96/197,333.20
  6. Step 6: Final answer
    x = 129,787.80

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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.