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Finding the Fourth Proportional to 85,622.54, 118,086.56 and 51,623.56

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Solution

The fourth proportional to 85,622.54, 118,086.56 and 51,623.56 is: 71,196.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,622.54 : 118,086.56 = 51,623.56 : x
  2. Step 2: Convert to fraction form
    85,622.54/118,086.56 = 51,623.56/x
  3. Step 3: Cross multiply
    85,622.54x = 118,086.56 × 51,623.56
  4. Step 4: Simplify right side
    85,622.54x = 6,096,048,615.35
  5. Step 5: Solve for x
    x = 6,096,048,615.35/85,622.54
  6. Step 6: Final answer
    x = 71,196.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.