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Finding the Fourth Proportional to 188,906.64, 260,689.84 and 104,023

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Solution

The fourth proportional to 188,906.64, 260,689.84 and 104,023 is: 143,551.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,906.64 : 260,689.84 = 104,023 : x
  2. Step 2: Convert to fraction form
    188,906.64/260,689.84 = 104,023/x
  3. Step 3: Cross multiply
    188,906.64x = 260,689.84 × 104,023
  4. Step 4: Simplify right side
    188,906.64x = 27,117,739,226.32
  5. Step 5: Solve for x
    x = 27,117,739,226.32/188,906.64
  6. Step 6: Final answer
    x = 143,551.01

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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.