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Finding the Fourth Proportional to 103,847.56, 155,797.32 and 29,975.56

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Solution

The fourth proportional to 103,847.56, 155,797.32 and 29,975.56 is: 44,970.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,847.56 : 155,797.32 = 29,975.56 : x
  2. Step 2: Convert to fraction form
    103,847.56/155,797.32 = 29,975.56/x
  3. Step 3: Cross multiply
    103,847.56x = 155,797.32 × 29,975.56
  4. Step 4: Simplify right side
    103,847.56x = 4,670,111,913.50
  5. Step 5: Solve for x
    x = 4,670,111,913.50/103,847.56
  6. Step 6: Final answer
    x = 44,970.84

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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.