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Finding the Fourth Proportional to 255,932.48, 353,214.24 and 142,794.56

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Solution

The fourth proportional to 255,932.48, 353,214.24 and 142,794.56 is: 197,071.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,932.48 : 353,214.24 = 142,794.56 : x
  2. Step 2: Convert to fraction form
    255,932.48/353,214.24 = 142,794.56/x
  3. Step 3: Cross multiply
    255,932.48x = 353,214.24 × 142,794.56
  4. Step 4: Simplify right side
    255,932.48x = 50,437,071,986.53
  5. Step 5: Solve for x
    x = 50,437,071,986.53/255,932.48
  6. Step 6: Final answer
    x = 197,071.79

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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.