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Finding the Fourth Proportional to 248,339.88, 372,513.36 and 70,846.89

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Solution

The fourth proportional to 248,339.88, 372,513.36 and 70,846.89 is: 106,271.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,339.88 : 372,513.36 = 70,846.89 : x
  2. Step 2: Convert to fraction form
    248,339.88/372,513.36 = 70,846.89/x
  3. Step 3: Cross multiply
    248,339.88x = 372,513.36 × 70,846.89
  4. Step 4: Simplify right side
    248,339.88x = 26,391,413,039.45
  5. Step 5: Solve for x
    x = 26,391,413,039.45/248,339.88
  6. Step 6: Final answer
    x = 106,271.34

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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.