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Finding the Fourth Proportional to 228,353.58, 342,563.13 and 70,594.34

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Solution

The fourth proportional to 228,353.58, 342,563.13 and 70,594.34 is: 105,901.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,353.58 : 342,563.13 = 70,594.34 : x
  2. Step 2: Convert to fraction form
    228,353.58/342,563.13 = 70,594.34/x
  3. Step 3: Cross multiply
    228,353.58x = 342,563.13 × 70,594.34
  4. Step 4: Simplify right side
    228,353.58x = 24,183,016,357.87
  5. Step 5: Solve for x
    x = 24,183,016,357.87/228,353.58
  6. Step 6: Final answer
    x = 105,901.63

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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.