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Finding the Fourth Proportional to 188,561.73, 260,219.60 and 102,525.60

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Solution

The fourth proportional to 188,561.73, 260,219.60 and 102,525.60 is: 141,487.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,561.73 : 260,219.60 = 102,525.60 : x
  2. Step 2: Convert to fraction form
    188,561.73/260,219.60 = 102,525.60/x
  3. Step 3: Cross multiply
    188,561.73x = 260,219.60 × 102,525.60
  4. Step 4: Simplify right side
    188,561.73x = 26,679,170,621.76
  5. Step 5: Solve for x
    x = 26,679,170,621.76/188,561.73
  6. Step 6: Final answer
    x = 141,487.73

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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.