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Finding the Fourth Proportional to 114,224.32, 171,340.38 and 39,343.84

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Solution

The fourth proportional to 114,224.32, 171,340.38 and 39,343.84 is: 59,017.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,224.32 : 171,340.38 = 39,343.84 : x
  2. Step 2: Convert to fraction form
    114,224.32/171,340.38 = 39,343.84/x
  3. Step 3: Cross multiply
    114,224.32x = 171,340.38 × 39,343.84
  4. Step 4: Simplify right side
    114,224.32x = 6,741,188,496.26
  5. Step 5: Solve for x
    x = 6,741,188,496.26/114,224.32
  6. Step 6: Final answer
    x = 59,017.10

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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.