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Finding the Fourth Proportional to 255,568.77, 352,687.31 and 140,851.59

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Solution

The fourth proportional to 255,568.77, 352,687.31 and 140,851.59 is: 194,376.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,568.77 : 352,687.31 = 140,851.59 : x
  2. Step 2: Convert to fraction form
    255,568.77/352,687.31 = 140,851.59/x
  3. Step 3: Cross multiply
    255,568.77x = 352,687.31 × 140,851.59
  4. Step 4: Simplify right side
    255,568.77x = 49,676,567,682.07
  5. Step 5: Solve for x
    x = 49,676,567,682.07/255,568.77
  6. Step 6: Final answer
    x = 194,376.52

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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.