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Finding the Fourth Proportional to 462,396.93, 693,609.63 and 125,436.25

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Solution

The fourth proportional to 462,396.93, 693,609.63 and 125,436.25 is: 188,158.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,396.93 : 693,609.63 = 125,436.25 : x
  2. Step 2: Convert to fraction form
    462,396.93/693,609.63 = 125,436.25/x
  3. Step 3: Cross multiply
    462,396.93x = 693,609.63 × 125,436.25
  4. Step 4: Simplify right side
    462,396.93x = 87,003,790,951.09
  5. Step 5: Solve for x
    x = 87,003,790,951.09/462,396.93
  6. Step 6: Final answer
    x = 188,158.24

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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.