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Finding the Fourth Proportional to 248,322.98, 372,422.76 and 70,831.52

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Solution

The fourth proportional to 248,322.98, 372,422.76 and 70,831.52 is: 106,229.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,322.98 : 372,422.76 = 70,831.52 : x
  2. Step 2: Convert to fraction form
    248,322.98/372,422.76 = 70,831.52/x
  3. Step 3: Cross multiply
    248,322.98x = 372,422.76 × 70,831.52
  4. Step 4: Simplify right side
    248,322.98x = 26,379,270,173.40
  5. Step 5: Solve for x
    x = 26,379,270,173.40/248,322.98
  6. Step 6: Final answer
    x = 106,229.68

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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.