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Finding the Fourth Proportional to 263,806.88, 364,036.20 and 168,303.38

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Solution

The fourth proportional to 263,806.88, 364,036.20 and 168,303.38 is: 232,247.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,806.88 : 364,036.20 = 168,303.38 : x
  2. Step 2: Convert to fraction form
    263,806.88/364,036.20 = 168,303.38/x
  3. Step 3: Cross multiply
    263,806.88x = 364,036.20 × 168,303.38
  4. Step 4: Simplify right side
    263,806.88x = 61,268,522,902.36
  5. Step 5: Solve for x
    x = 61,268,522,902.36/263,806.88
  6. Step 6: Final answer
    x = 232,247.63

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1.5x scale

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.