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Finding the Fourth Proportional to 245,084.36, 367,109.88 and 112,076.54

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Solution

The fourth proportional to 245,084.36, 367,109.88 and 112,076.54 is: 167,878.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,084.36 : 367,109.88 = 112,076.54 : x
  2. Step 2: Convert to fraction form
    245,084.36/367,109.88 = 112,076.54/x
  3. Step 3: Cross multiply
    245,084.36x = 367,109.88 × 112,076.54
  4. Step 4: Simplify right side
    245,084.36x = 41,144,405,150.22
  5. Step 5: Solve for x
    x = 41,144,405,150.22/245,084.36
  6. Step 6: Final answer
    x = 167,878.54

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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.