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Finding the Fourth Proportional to 183,428.20, 274,374.30 and 164,842.60

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Solution

The fourth proportional to 183,428.20, 274,374.30 and 164,842.60 is: 246,573.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,428.20 : 274,374.30 = 164,842.60 : x
  2. Step 2: Convert to fraction form
    183,428.20/274,374.30 = 164,842.60/x
  3. Step 3: Cross multiply
    183,428.20x = 274,374.30 × 164,842.60
  4. Step 4: Simplify right side
    183,428.20x = 45,228,572,985.18
  5. Step 5: Solve for x
    x = 45,228,572,985.18/183,428.20
  6. Step 6: Final answer
    x = 246,573.72

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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.