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Finding the Fourth Proportional to 263,394.99, 363,485.07 and 142,536.27

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Solution

The fourth proportional to 263,394.99, 363,485.07 and 142,536.27 is: 196,700.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,394.99 : 363,485.07 = 142,536.27 : x
  2. Step 2: Convert to fraction form
    263,394.99/363,485.07 = 142,536.27/x
  3. Step 3: Cross multiply
    263,394.99x = 363,485.07 × 142,536.27
  4. Step 4: Simplify right side
    263,394.99x = 51,809,806,345.74
  5. Step 5: Solve for x
    x = 51,809,806,345.74/263,394.99
  6. Step 6: Final answer
    x = 196,700.05

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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.