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Finding the Fourth Proportional to 188,902.25, 260,685.11 and 104,019.11

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Solution

The fourth proportional to 188,902.25, 260,685.11 and 104,019.11 is: 143,546.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,902.25 : 260,685.11 = 104,019.11 : x
  2. Step 2: Convert to fraction form
    188,902.25/260,685.11 = 104,019.11/x
  3. Step 3: Cross multiply
    188,902.25x = 260,685.11 × 104,019.11
  4. Step 4: Simplify right side
    188,902.25x = 27,116,232,612.36
  5. Step 5: Solve for x
    x = 27,116,232,612.36/188,902.25
  6. Step 6: Final answer
    x = 143,546.37

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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.