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Finding the Fourth Proportional to 124,396.44, 171,660.62 and 70,674

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Solution

The fourth proportional to 124,396.44, 171,660.62 and 70,674 is: 97,526.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,396.44 : 171,660.62 = 70,674 : x
  2. Step 2: Convert to fraction form
    124,396.44/171,660.62 = 70,674/x
  3. Step 3: Cross multiply
    124,396.44x = 171,660.62 × 70,674
  4. Step 4: Simplify right side
    124,396.44x = 12,131,942,304.51
  5. Step 5: Solve for x
    x = 12,131,942,304.51/124,396.44
  6. Step 6: Final answer
    x = 97,526.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.