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Finding the Fourth Proportional to 184,453.40, 276,461.40 and 165,645.20

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Solution

The fourth proportional to 184,453.40, 276,461.40 and 165,645.20 is: 248,271.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,453.40 : 276,461.40 = 165,645.20 : x
  2. Step 2: Convert to fraction form
    184,453.40/276,461.40 = 165,645.20/x
  3. Step 3: Cross multiply
    184,453.40x = 276,461.40 × 165,645.20
  4. Step 4: Simplify right side
    184,453.40x = 45,794,503,895.28
  5. Step 5: Solve for x
    x = 45,794,503,895.28/184,453.40
  6. Step 6: Final answer
    x = 248,271.40

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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.