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Finding the Fourth Proportional to 248,518.48, 372,509.60 and 122,011.60

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Solution

The fourth proportional to 248,518.48, 372,509.60 and 122,011.60 is: 182,885.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,518.48 : 372,509.60 = 122,011.60 : x
  2. Step 2: Convert to fraction form
    248,518.48/372,509.60 = 122,011.60/x
  3. Step 3: Cross multiply
    248,518.48x = 372,509.60 × 122,011.60
  4. Step 4: Simplify right side
    248,518.48x = 45,450,492,311.36
  5. Step 5: Solve for x
    x = 45,450,492,311.36/248,518.48
  6. Step 6: Final answer
    x = 182,885.76

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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.