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Finding the Fourth Proportional to 255,101.84, 352,043.74 and 140,393.69

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Solution

The fourth proportional to 255,101.84, 352,043.74 and 140,393.69 is: 193,745.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,101.84 : 352,043.74 = 140,393.69 : x
  2. Step 2: Convert to fraction form
    255,101.84/352,043.74 = 140,393.69/x
  3. Step 3: Cross multiply
    255,101.84x = 352,043.74 × 140,393.69
  4. Step 4: Simplify right side
    255,101.84x = 49,424,719,435.44
  5. Step 5: Solve for x
    x = 49,424,719,435.44/255,101.84
  6. Step 6: Final answer
    x = 193,745.05

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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.