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Finding the Fourth Proportional to 104,571.87, 156,788.46 and 38,004.09

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Solution

The fourth proportional to 104,571.87, 156,788.46 and 38,004.09 is: 56,980.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,571.87 : 156,788.46 = 38,004.09 : x
  2. Step 2: Convert to fraction form
    104,571.87/156,788.46 = 38,004.09/x
  3. Step 3: Cross multiply
    104,571.87x = 156,788.46 × 38,004.09
  4. Step 4: Simplify right side
    104,571.87x = 5,958,602,744.80
  5. Step 5: Solve for x
    x = 5,958,602,744.80/104,571.87
  6. Step 6: Final answer
    x = 56,980.93

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1.5x scale

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.