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Finding the Fourth Proportional to 248,442.80, 372,667.44 and 70,955.60

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Solution

The fourth proportional to 248,442.80, 372,667.44 and 70,955.60 is: 106,434.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,442.80 : 372,667.44 = 70,955.60 : x
  2. Step 2: Convert to fraction form
    248,442.80/372,667.44 = 70,955.60/x
  3. Step 3: Cross multiply
    248,442.80x = 372,667.44 × 70,955.60
  4. Step 4: Simplify right side
    248,442.80x = 26,442,841,805.66
  5. Step 5: Solve for x
    x = 26,442,841,805.66/248,442.80
  6. Step 6: Final answer
    x = 106,434.33

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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.