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Finding the Fourth Proportional to 104,750.01, 157,139.78 and 33,648.80

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Solution

The fourth proportional to 104,750.01, 157,139.78 and 33,648.80 is: 50,477.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,750.01 : 157,139.78 = 33,648.80 : x
  2. Step 2: Convert to fraction form
    104,750.01/157,139.78 = 33,648.80/x
  3. Step 3: Cross multiply
    104,750.01x = 157,139.78 × 33,648.80
  4. Step 4: Simplify right side
    104,750.01x = 5,287,564,861.02
  5. Step 5: Solve for x
    x = 5,287,564,861.02/104,750.01
  6. Step 6: Final answer
    x = 50,477.94

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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.