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Finding the Fourth Proportional to 222,586.64, 333,880.50 and 64,818.92

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Solution

The fourth proportional to 222,586.64, 333,880.50 and 64,818.92 is: 97,228.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,586.64 : 333,880.50 = 64,818.92 : x
  2. Step 2: Convert to fraction form
    222,586.64/333,880.50 = 64,818.92/x
  3. Step 3: Cross multiply
    222,586.64x = 333,880.50 × 64,818.92
  4. Step 4: Simplify right side
    222,586.64x = 21,641,773,419.06
  5. Step 5: Solve for x
    x = 21,641,773,419.06/222,586.64
  6. Step 6: Final answer
    x = 97,228.54

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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.