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Finding the Fourth Proportional to 255,094.58, 352,033.76 and 140,386.43

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Solution

The fourth proportional to 255,094.58, 352,033.76 and 140,386.43 is: 193,735.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,094.58 : 352,033.76 = 140,386.43 : x
  2. Step 2: Convert to fraction form
    255,094.58/352,033.76 = 140,386.43/x
  3. Step 3: Cross multiply
    255,094.58x = 352,033.76 × 140,386.43
  4. Step 4: Simplify right side
    255,094.58x = 49,420,764,036.93
  5. Step 5: Solve for x
    x = 49,420,764,036.93/255,094.58
  6. Step 6: Final answer
    x = 193,735.06

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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.