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Finding the Fourth Proportional to 248,335.40, 372,560.94 and 70,844.84

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Solution

The fourth proportional to 248,335.40, 372,560.94 and 70,844.84 is: 106,283.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,335.40 : 372,560.94 = 70,844.84 : x
  2. Step 2: Convert to fraction form
    248,335.40/372,560.94 = 70,844.84/x
  3. Step 3: Cross multiply
    248,335.40x = 372,560.94 × 70,844.84
  4. Step 4: Simplify right side
    248,335.40x = 26,394,020,184.55
  5. Step 5: Solve for x
    x = 26,394,020,184.55/248,335.40
  6. Step 6: Final answer
    x = 106,283.76

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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.