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Finding the Fourth Proportional to 222,916.30, 334,374.45 and 146,808.70

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Solution

The fourth proportional to 222,916.30, 334,374.45 and 146,808.70 is: 220,213.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,916.30 : 334,374.45 = 146,808.70 : x
  2. Step 2: Convert to fraction form
    222,916.30/334,374.45 = 146,808.70/x
  3. Step 3: Cross multiply
    222,916.30x = 334,374.45 × 146,808.70
  4. Step 4: Simplify right side
    222,916.30x = 49,089,078,317.72
  5. Step 5: Solve for x
    x = 49,089,078,317.72/222,916.30
  6. Step 6: Final answer
    x = 220,213.05

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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.