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Finding the Fourth Proportional to 248,289.90, 372,438.32 and 70,796.98

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Solution

The fourth proportional to 248,289.90, 372,438.32 and 70,796.98 is: 106,196.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,289.90 : 372,438.32 = 70,796.98 : x
  2. Step 2: Convert to fraction form
    248,289.90/372,438.32 = 70,796.98/x
  3. Step 3: Cross multiply
    248,289.90x = 372,438.32 × 70,796.98
  4. Step 4: Simplify right side
    248,289.90x = 26,367,508,292.27
  5. Step 5: Solve for x
    x = 26,367,508,292.27/248,289.90
  6. Step 6: Final answer
    x = 106,196.46

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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.