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Finding the Fourth Proportional to 193,672.63, 290,525.69 and 53,431.26

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Solution

The fourth proportional to 193,672.63, 290,525.69 and 53,431.26 is: 80,151.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,672.63 : 290,525.69 = 53,431.26 : x
  2. Step 2: Convert to fraction form
    193,672.63/290,525.69 = 53,431.26/x
  3. Step 3: Cross multiply
    193,672.63x = 290,525.69 × 53,431.26
  4. Step 4: Simplify right side
    193,672.63x = 15,523,153,679.07
  5. Step 5: Solve for x
    x = 15,523,153,679.07/193,672.63
  6. Step 6: Final answer
    x = 80,151.51

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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.