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Finding the Fourth Proportional to 184,451.40, 276,458.40 and 165,643.20

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Solution

The fourth proportional to 184,451.40, 276,458.40 and 165,643.20 is: 248,268.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,451.40 : 276,458.40 = 165,643.20 : x
  2. Step 2: Convert to fraction form
    184,451.40/276,458.40 = 165,643.20/x
  3. Step 3: Cross multiply
    184,451.40x = 276,458.40 × 165,643.20
  4. Step 4: Simplify right side
    184,451.40x = 45,793,454,042.88
  5. Step 5: Solve for x
    x = 45,793,454,042.88/184,451.40
  6. Step 6: Final answer
    x = 248,268.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.