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Finding the Fourth Proportional to 269,955, 372,537.94 and 156,785.04

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Solution

The fourth proportional to 269,955, 372,537.94 and 156,785.04 is: 216,363.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,955 : 372,537.94 = 156,785.04 : x
  2. Step 2: Convert to fraction form
    269,955/372,537.94 = 156,785.04/x
  3. Step 3: Cross multiply
    269,955x = 372,537.94 × 156,785.04
  4. Step 4: Simplify right side
    269,955x = 58,408,375,824.42
  5. Step 5: Solve for x
    x = 58,408,375,824.42/269,955
  6. Step 6: Final answer
    x = 216,363.38

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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.