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Finding the Fourth Proportional to 243,157.95, 335,629.24 and 141,229.23

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Solution

The fourth proportional to 243,157.95, 335,629.24 and 141,229.23 is: 194,937.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,157.95 : 335,629.24 = 141,229.23 : x
  2. Step 2: Convert to fraction form
    243,157.95/335,629.24 = 141,229.23/x
  3. Step 3: Cross multiply
    243,157.95x = 335,629.24 × 141,229.23
  4. Step 4: Simplify right side
    243,157.95x = 47,400,659,307.22
  5. Step 5: Solve for x
    x = 47,400,659,307.22/243,157.95
  6. Step 6: Final answer
    x = 194,937.73

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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.