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Finding the Fourth Proportional to 101,066.15, 151,653.90 and 41,907.80

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Solution

The fourth proportional to 101,066.15, 151,653.90 and 41,907.80 is: 62,884.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,066.15 : 151,653.90 = 41,907.80 : x
  2. Step 2: Convert to fraction form
    101,066.15/151,653.90 = 41,907.80/x
  3. Step 3: Cross multiply
    101,066.15x = 151,653.90 × 41,907.80
  4. Step 4: Simplify right side
    101,066.15x = 6,355,481,310.42
  5. Step 5: Solve for x
    x = 6,355,481,310.42/101,066.15
  6. Step 6: Final answer
    x = 62,884.37

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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.