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Finding the Fourth Proportional to 100,299.34, 150,365.63 and 46,965.09

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Solution

The fourth proportional to 100,299.34, 150,365.63 and 46,965.09 is: 70,408.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,299.34 : 150,365.63 = 46,965.09 : x
  2. Step 2: Convert to fraction form
    100,299.34/150,365.63 = 46,965.09/x
  3. Step 3: Cross multiply
    100,299.34x = 150,365.63 × 46,965.09
  4. Step 4: Simplify right side
    100,299.34x = 7,061,935,345.86
  5. Step 5: Solve for x
    x = 7,061,935,345.86/100,299.34
  6. Step 6: Final answer
    x = 70,408.59

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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.