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Finding the Fourth Proportional to 248,362.08, 372,615.71 and 79,878.63

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Solution

The fourth proportional to 248,362.08, 372,615.71 and 79,878.63 is: 119,841.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,362.08 : 372,615.71 = 79,878.63 : x
  2. Step 2: Convert to fraction form
    248,362.08/372,615.71 = 79,878.63/x
  3. Step 3: Cross multiply
    248,362.08x = 372,615.71 × 79,878.63
  4. Step 4: Simplify right side
    248,362.08x = 29,764,032,431.28
  5. Step 5: Solve for x
    x = 29,764,032,431.28/248,362.08
  6. Step 6: Final answer
    x = 119,841.29

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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.