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Finding the Fourth Proportional to 182,989.56, 274,326.39 and 70,748.40

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Solution

The fourth proportional to 182,989.56, 274,326.39 and 70,748.40 is: 106,061.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,989.56 : 274,326.39 = 70,748.40 : x
  2. Step 2: Convert to fraction form
    182,989.56/274,326.39 = 70,748.40/x
  3. Step 3: Cross multiply
    182,989.56x = 274,326.39 × 70,748.40
  4. Step 4: Simplify right side
    182,989.56x = 19,408,153,170.28
  5. Step 5: Solve for x
    x = 19,408,153,170.28/182,989.56
  6. Step 6: Final answer
    x = 106,061.53

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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.