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Finding the Fourth Proportional to 104,074.62, 155,972.07 and 54,050.64

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Solution

The fourth proportional to 104,074.62, 155,972.07 and 54,050.64 is: 81,003.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,074.62 : 155,972.07 = 54,050.64 : x
  2. Step 2: Convert to fraction form
    104,074.62/155,972.07 = 54,050.64/x
  3. Step 3: Cross multiply
    104,074.62x = 155,972.07 × 54,050.64
  4. Step 4: Simplify right side
    104,074.62x = 8,430,390,205.62
  5. Step 5: Solve for x
    x = 8,430,390,205.62/104,074.62
  6. Step 6: Final answer
    x = 81,003.32

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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.