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Finding the Fourth Proportional to 235,763.16, 353,648.46 and 131,246.44

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Solution

The fourth proportional to 235,763.16, 353,648.46 and 131,246.44 is: 196,871.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,763.16 : 353,648.46 = 131,246.44 : x
  2. Step 2: Convert to fraction form
    235,763.16/353,648.46 = 131,246.44/x
  3. Step 3: Cross multiply
    235,763.16x = 353,648.46 × 131,246.44
  4. Step 4: Simplify right side
    235,763.16x = 46,415,101,386.48
  5. Step 5: Solve for x
    x = 46,415,101,386.48/235,763.16
  6. Step 6: Final answer
    x = 196,871.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.