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Finding the Fourth Proportional to 114,655.99, 171,991.58 and 30,414.98

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Solution

The fourth proportional to 114,655.99, 171,991.58 and 30,414.98 is: 45,624.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,655.99 : 171,991.58 = 30,414.98 : x
  2. Step 2: Convert to fraction form
    114,655.99/171,991.58 = 30,414.98/x
  3. Step 3: Cross multiply
    114,655.99x = 171,991.58 × 30,414.98
  4. Step 4: Simplify right side
    114,655.99x = 5,231,119,453.84
  5. Step 5: Solve for x
    x = 5,231,119,453.84/114,655.99
  6. Step 6: Final answer
    x = 45,624.48

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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.