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Finding the Fourth Proportional to 184,420.90, 276,631.35 and 168,091.30

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Solution

The fourth proportional to 184,420.90, 276,631.35 and 168,091.30 is: 252,136.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,420.90 : 276,631.35 = 168,091.30 : x
  2. Step 2: Convert to fraction form
    184,420.90/276,631.35 = 168,091.30/x
  3. Step 3: Cross multiply
    184,420.90x = 276,631.35 × 168,091.30
  4. Step 4: Simplify right side
    184,420.90x = 46,499,323,242.26
  5. Step 5: Solve for x
    x = 46,499,323,242.26/184,420.90
  6. Step 6: Final answer
    x = 252,136.95

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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.