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Finding the Fourth Proportional to 100,069.94, 150,276.64 and 88,850.64

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Solution

The fourth proportional to 100,069.94, 150,276.64 and 88,850.64 is: 133,428.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,069.94 : 150,276.64 = 88,850.64 : x
  2. Step 2: Convert to fraction form
    100,069.94/150,276.64 = 88,850.64/x
  3. Step 3: Cross multiply
    100,069.94x = 150,276.64 × 88,850.64
  4. Step 4: Simplify right side
    100,069.94x = 13,352,175,641.05
  5. Step 5: Solve for x
    x = 13,352,175,641.05/100,069.94
  6. Step 6: Final answer
    x = 133,428.44

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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.