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Finding the Fourth Proportional to 248,273.71, 372,368.87 and 70,738.52

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Solution

The fourth proportional to 248,273.71, 372,368.87 and 70,738.52 is: 106,095.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,273.71 : 372,368.87 = 70,738.52 : x
  2. Step 2: Convert to fraction form
    248,273.71/372,368.87 = 70,738.52/x
  3. Step 3: Cross multiply
    248,273.71x = 372,368.87 × 70,738.52
  4. Step 4: Simplify right side
    248,273.71x = 26,340,821,006.56
  5. Step 5: Solve for x
    x = 26,340,821,006.56/248,273.71
  6. Step 6: Final answer
    x = 106,095.89

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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.