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Finding the Fourth Proportional to 206,376.36, 308,152.20 and 184,890.60

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Solution

The fourth proportional to 206,376.36, 308,152.20 and 184,890.60 is: 276,070.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,376.36 : 308,152.20 = 184,890.60 : x
  2. Step 2: Convert to fraction form
    206,376.36/308,152.20 = 184,890.60/x
  3. Step 3: Cross multiply
    206,376.36x = 308,152.20 × 184,890.60
  4. Step 4: Simplify right side
    206,376.36x = 56,974,445,149.32
  5. Step 5: Solve for x
    x = 56,974,445,149.32/206,376.36
  6. Step 6: Final answer
    x = 276,070.60

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.