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Finding the Fourth Proportional to 185,401.80, 278,102.70 and 184,235.40

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Solution

The fourth proportional to 185,401.80, 278,102.70 and 184,235.40 is: 276,353.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,401.80 : 278,102.70 = 184,235.40 : x
  2. Step 2: Convert to fraction form
    185,401.80/278,102.70 = 184,235.40/x
  3. Step 3: Cross multiply
    185,401.80x = 278,102.70 × 184,235.40
  4. Step 4: Simplify right side
    185,401.80x = 51,236,362,175.58
  5. Step 5: Solve for x
    x = 51,236,362,175.58/185,401.80
  6. Step 6: Final answer
    x = 276,353.10

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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.