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Finding the Fourth Proportional to 202,247.66, 279,157.29 and 117,392.06

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Solution

The fourth proportional to 202,247.66, 279,157.29 and 117,392.06 is: 162,033.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,247.66 : 279,157.29 = 117,392.06 : x
  2. Step 2: Convert to fraction form
    202,247.66/279,157.29 = 117,392.06/x
  3. Step 3: Cross multiply
    202,247.66x = 279,157.29 × 117,392.06
  4. Step 4: Simplify right side
    202,247.66x = 32,770,849,594.79
  5. Step 5: Solve for x
    x = 32,770,849,594.79/202,247.66
  6. Step 6: Final answer
    x = 162,033.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.