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Finding the Fourth Proportional to 251,034.96, 346,477.32 and 155,584.08

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Solution

The fourth proportional to 251,034.96, 346,477.32 and 155,584.08 is: 214,736.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,034.96 : 346,477.32 = 155,584.08 : x
  2. Step 2: Convert to fraction form
    251,034.96/346,477.32 = 155,584.08/x
  3. Step 3: Cross multiply
    251,034.96x = 346,477.32 × 155,584.08
  4. Step 4: Simplify right side
    251,034.96x = 53,906,355,073.07
  5. Step 5: Solve for x
    x = 53,906,355,073.07/251,034.96
  6. Step 6: Final answer
    x = 214,736.45

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.