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Finding the Fourth Proportional to 255,684.02, 383,581.42 and 97,912.49

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Solution

The fourth proportional to 255,684.02, 383,581.42 and 97,912.49 is: 146,889.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,684.02 : 383,581.42 = 97,912.49 : x
  2. Step 2: Convert to fraction form
    255,684.02/383,581.42 = 97,912.49/x
  3. Step 3: Cross multiply
    255,684.02x = 383,581.42 × 97,912.49
  4. Step 4: Simplify right side
    255,684.02x = 37,557,409,787.25
  5. Step 5: Solve for x
    x = 37,557,409,787.25/255,684.02
  6. Step 6: Final answer
    x = 146,889.94

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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.