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Finding the Fourth Proportional to 240,751.07, 360,929.57 and 90,906.33

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Solution

The fourth proportional to 240,751.07, 360,929.57 and 90,906.33 is: 136,285.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,751.07 : 360,929.57 = 90,906.33 : x
  2. Step 2: Convert to fraction form
    240,751.07/360,929.57 = 90,906.33/x
  3. Step 3: Cross multiply
    240,751.07x = 360,929.57 × 90,906.33
  4. Step 4: Simplify right side
    240,751.07x = 32,810,782,142.65
  5. Step 5: Solve for x
    x = 32,810,782,142.65/240,751.07
  6. Step 6: Final answer
    x = 136,285.10

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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.