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Finding the Fourth Proportional to 184,445.40, 276,449.40 and 165,637.20

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Solution

The fourth proportional to 184,445.40, 276,449.40 and 165,637.20 is: 248,259.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,445.40 : 276,449.40 = 165,637.20 : x
  2. Step 2: Convert to fraction form
    184,445.40/276,449.40 = 165,637.20/x
  3. Step 3: Cross multiply
    184,445.40x = 276,449.40 × 165,637.20
  4. Step 4: Simplify right side
    184,445.40x = 45,790,304,557.68
  5. Step 5: Solve for x
    x = 45,790,304,557.68/184,445.40
  6. Step 6: Final answer
    x = 248,259.40

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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.