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Finding the Fourth Proportional to 277,672.96, 383,167.02 and 156,826.36

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Solution

The fourth proportional to 277,672.96, 383,167.02 and 156,826.36 is: 216,408.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,672.96 : 383,167.02 = 156,826.36 : x
  2. Step 2: Convert to fraction form
    277,672.96/383,167.02 = 156,826.36/x
  3. Step 3: Cross multiply
    277,672.96x = 383,167.02 × 156,826.36
  4. Step 4: Simplify right side
    277,672.96x = 60,090,689,018.65
  5. Step 5: Solve for x
    x = 60,090,689,018.65/277,672.96
  6. Step 6: Final answer
    x = 216,408.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.