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Finding the Fourth Proportional to 114,642.28, 171,967.30 and 30,410.94

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Solution

The fourth proportional to 114,642.28, 171,967.30 and 30,410.94 is: 45,617.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,642.28 : 171,967.30 = 30,410.94 : x
  2. Step 2: Convert to fraction form
    114,642.28/171,967.30 = 30,410.94/x
  3. Step 3: Cross multiply
    114,642.28x = 171,967.30 × 30,410.94
  4. Step 4: Simplify right side
    114,642.28x = 5,229,687,242.26
  5. Step 5: Solve for x
    x = 5,229,687,242.26/114,642.28
  6. Step 6: Final answer
    x = 45,617.44

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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.