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Finding the Fourth Proportional to 228,363.59, 342,578.21 and 70,604.35

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Solution

The fourth proportional to 228,363.59, 342,578.21 and 70,604.35 is: 105,916.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,363.59 : 342,578.21 = 70,604.35 : x
  2. Step 2: Convert to fraction form
    228,363.59/342,578.21 = 70,604.35/x
  3. Step 3: Cross multiply
    228,363.59x = 342,578.21 × 70,604.35
  4. Step 4: Simplify right side
    228,363.59x = 24,187,510,631.75
  5. Step 5: Solve for x
    x = 24,187,510,631.75/228,363.59
  6. Step 6: Final answer
    x = 105,916.67

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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.