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Finding the Fourth Proportional to 100,388.14, 150,352.36 and 50,482.42

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Solution

The fourth proportional to 100,388.14, 150,352.36 and 50,482.42 is: 75,608.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,388.14 : 150,352.36 = 50,482.42 : x
  2. Step 2: Convert to fraction form
    100,388.14/150,352.36 = 50,482.42/x
  3. Step 3: Cross multiply
    100,388.14x = 150,352.36 × 50,482.42
  4. Step 4: Simplify right side
    100,388.14x = 7,590,150,985.51
  5. Step 5: Solve for x
    x = 7,590,150,985.51/100,388.14
  6. Step 6: Final answer
    x = 75,608.04

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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.