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Finding the Fourth Proportional to 241,409.16, 332,993.07 and 155,479.50

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Solution

The fourth proportional to 241,409.16, 332,993.07 and 155,479.50 is: 214,464.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,409.16 : 332,993.07 = 155,479.50 : x
  2. Step 2: Convert to fraction form
    241,409.16/332,993.07 = 155,479.50/x
  3. Step 3: Cross multiply
    241,409.16x = 332,993.07 × 155,479.50
  4. Step 4: Simplify right side
    241,409.16x = 51,773,596,027.07
  5. Step 5: Solve for x
    x = 51,773,596,027.07/241,409.16
  6. Step 6: Final answer
    x = 214,464.09

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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.