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Finding the Fourth Proportional to 255,759.57, 352,940.10 and 141,043.05

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Solution

The fourth proportional to 255,759.57, 352,940.10 and 141,043.05 is: 194,634.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,759.57 : 352,940.10 = 141,043.05 : x
  2. Step 2: Convert to fraction form
    255,759.57/352,940.10 = 141,043.05/x
  3. Step 3: Cross multiply
    255,759.57x = 352,940.10 × 141,043.05
  4. Step 4: Simplify right side
    255,759.57x = 49,779,748,171.31
  5. Step 5: Solve for x
    x = 49,779,748,171.31/255,759.57
  6. Step 6: Final answer
    x = 194,634.94

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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.