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Finding the Fourth Proportional to 248,287.84, 372,322.44 and 70,754.56

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Solution

The fourth proportional to 248,287.84, 372,322.44 and 70,754.56 is: 106,100.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,287.84 : 372,322.44 = 70,754.56 : x
  2. Step 2: Convert to fraction form
    248,287.84/372,322.44 = 70,754.56/x
  3. Step 3: Cross multiply
    248,287.84x = 372,322.44 × 70,754.56
  4. Step 4: Simplify right side
    248,287.84x = 26,343,510,420.33
  5. Step 5: Solve for x
    x = 26,343,510,420.33/248,287.84
  6. Step 6: Final answer
    x = 106,100.69

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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.