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Finding the Fourth Proportional to 188,843.56, 260,594.10 and 103,944.28

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Solution

The fourth proportional to 188,843.56, 260,594.10 and 103,944.28 is: 143,437.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,843.56 : 260,594.10 = 103,944.28 : x
  2. Step 2: Convert to fraction form
    188,843.56/260,594.10 = 103,944.28/x
  3. Step 3: Cross multiply
    188,843.56x = 260,594.10 × 103,944.28
  4. Step 4: Simplify right side
    188,843.56x = 27,087,266,096.75
  5. Step 5: Solve for x
    x = 27,087,266,096.75/188,843.56
  6. Step 6: Final answer
    x = 143,437.60

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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.