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Finding the Fourth Proportional to 373,787.15, 560,688.71 and 133,916.67

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Solution

The fourth proportional to 373,787.15, 560,688.71 and 133,916.67 is: 200,877.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,787.15 : 560,688.71 = 133,916.67 : x
  2. Step 2: Convert to fraction form
    373,787.15/560,688.71 = 133,916.67/x
  3. Step 3: Cross multiply
    373,787.15x = 560,688.71 × 133,916.67
  4. Step 4: Simplify right side
    373,787.15x = 75,085,564,280.21
  5. Step 5: Solve for x
    x = 75,085,564,280.21/373,787.15
  6. Step 6: Final answer
    x = 200,877.87

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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.