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Finding the Fourth Proportional to 248,233.32, 372,408.44 and 70,742.88

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Solution

The fourth proportional to 248,233.32, 372,408.44 and 70,742.88 is: 106,130.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,233.32 : 372,408.44 = 70,742.88 : x
  2. Step 2: Convert to fraction form
    248,233.32/372,408.44 = 70,742.88/x
  3. Step 3: Cross multiply
    248,233.32x = 372,408.44 × 70,742.88
  4. Step 4: Simplify right side
    248,233.32x = 26,345,245,228.19
  5. Step 5: Solve for x
    x = 26,345,245,228.19/248,233.32
  6. Step 6: Final answer
    x = 106,130.98

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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.