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Finding the Fourth Proportional to 188,544.10, 260,187.34 and 103,659.34

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Solution

The fourth proportional to 188,544.10, 260,187.34 and 103,659.34 is: 143,047.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,544.10 : 260,187.34 = 103,659.34 : x
  2. Step 2: Convert to fraction form
    188,544.10/260,187.34 = 103,659.34/x
  3. Step 3: Cross multiply
    188,544.10x = 260,187.34 × 103,659.34
  4. Step 4: Simplify right side
    188,544.10x = 26,970,847,940.76
  5. Step 5: Solve for x
    x = 26,970,847,940.76/188,544.10
  6. Step 6: Final answer
    x = 143,047.96

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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.