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Finding the Fourth Proportional to 188,449.50, 260,070.24 and 106,793.58

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Solution

The fourth proportional to 188,449.50, 260,070.24 and 106,793.58 is: 147,380.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,449.50 : 260,070.24 = 106,793.58 : x
  2. Step 2: Convert to fraction form
    188,449.50/260,070.24 = 106,793.58/x
  3. Step 3: Cross multiply
    188,449.50x = 260,070.24 × 106,793.58
  4. Step 4: Simplify right side
    188,449.50x = 27,773,831,981.06
  5. Step 5: Solve for x
    x = 27,773,831,981.06/188,449.50
  6. Step 6: Final answer
    x = 147,380.77

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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.