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Finding the Fourth Proportional to 248,445.34, 372,682.62 and 70,938.70

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Solution

The fourth proportional to 248,445.34, 372,682.62 and 70,938.70 is: 106,412.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,445.34 : 372,682.62 = 70,938.70 : x
  2. Step 2: Convert to fraction form
    248,445.34/372,682.62 = 70,938.70/x
  3. Step 3: Cross multiply
    248,445.34x = 372,682.62 × 70,938.70
  4. Step 4: Simplify right side
    248,445.34x = 26,437,620,575.39
  5. Step 5: Solve for x
    x = 26,437,620,575.39/248,445.34
  6. Step 6: Final answer
    x = 106,412.22

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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.