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Finding the Fourth Proportional to 248,296.48, 372,448.20 and 70,803.46

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Solution

The fourth proportional to 248,296.48, 372,448.20 and 70,803.46 is: 106,206.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,296.48 : 372,448.20 = 70,803.46 : x
  2. Step 2: Convert to fraction form
    248,296.48/372,448.20 = 70,803.46/x
  3. Step 3: Cross multiply
    248,296.48x = 372,448.20 × 70,803.46
  4. Step 4: Simplify right side
    248,296.48x = 26,370,621,230.77
  5. Step 5: Solve for x
    x = 26,370,621,230.77/248,296.48
  6. Step 6: Final answer
    x = 106,206.18

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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.