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Finding the Fourth Proportional to 254,950.12, 351,826.50 and 141,771.88

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Solution

The fourth proportional to 254,950.12, 351,826.50 and 141,771.88 is: 195,642.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,950.12 : 351,826.50 = 141,771.88 : x
  2. Step 2: Convert to fraction form
    254,950.12/351,826.50 = 141,771.88/x
  3. Step 3: Cross multiply
    254,950.12x = 351,826.50 × 141,771.88
  4. Step 4: Simplify right side
    254,950.12x = 49,879,104,338.82
  5. Step 5: Solve for x
    x = 49,879,104,338.82/254,950.12
  6. Step 6: Final answer
    x = 195,642.60

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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.