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Finding the Fourth Proportional to 245,429.48, 368,144.74 and 67,937

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Solution

The fourth proportional to 245,429.48, 368,144.74 and 67,937 is: 101,905.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,429.48 : 368,144.74 = 67,937 : x
  2. Step 2: Convert to fraction form
    245,429.48/368,144.74 = 67,937/x
  3. Step 3: Cross multiply
    245,429.48x = 368,144.74 × 67,937
  4. Step 4: Simplify right side
    245,429.48x = 25,010,649,201.38
  5. Step 5: Solve for x
    x = 25,010,649,201.38/245,429.48
  6. Step 6: Final answer
    x = 101,905.64

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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.