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Finding the Fourth Proportional to 103,571.71, 155,357.58 and 32,505.32

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Solution

The fourth proportional to 103,571.71, 155,357.58 and 32,505.32 is: 48,757.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,571.71 : 155,357.58 = 32,505.32 : x
  2. Step 2: Convert to fraction form
    103,571.71/155,357.58 = 32,505.32/x
  3. Step 3: Cross multiply
    103,571.71x = 155,357.58 × 32,505.32
  4. Step 4: Simplify right side
    103,571.71x = 5,049,947,852.33
  5. Step 5: Solve for x
    x = 5,049,947,852.33/103,571.71
  6. Step 6: Final answer
    x = 48,757.98

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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.