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Finding the Fourth Proportional to 228,609.51, 342,788.99 and 70,794.15

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Solution

The fourth proportional to 228,609.51, 342,788.99 and 70,794.15 is: 106,152.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,609.51 : 342,788.99 = 70,794.15 : x
  2. Step 2: Convert to fraction form
    228,609.51/342,788.99 = 70,794.15/x
  3. Step 3: Cross multiply
    228,609.51x = 342,788.99 × 70,794.15
  4. Step 4: Simplify right side
    228,609.51x = 24,267,454,822.44
  5. Step 5: Solve for x
    x = 24,267,454,822.44/228,609.51
  6. Step 6: Final answer
    x = 106,152.43

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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.