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Finding the Fourth Proportional to 264,441.12, 364,892 and 155,550.38

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Solution

The fourth proportional to 264,441.12, 364,892 and 155,550.38 is: 214,637.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,441.12 : 364,892 = 155,550.38 : x
  2. Step 2: Convert to fraction form
    264,441.12/364,892 = 155,550.38/x
  3. Step 3: Cross multiply
    264,441.12x = 364,892 × 155,550.38
  4. Step 4: Simplify right side
    264,441.12x = 56,759,089,258.96
  5. Step 5: Solve for x
    x = 56,759,089,258.96/264,441.12
  6. Step 6: Final answer
    x = 214,637.91

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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.