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Finding the Fourth Proportional to 211,503, 317,337.58 and 93,091.33

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Solution

The fourth proportional to 211,503, 317,337.58 and 93,091.33 is: 139,673.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,503 : 317,337.58 = 93,091.33 : x
  2. Step 2: Convert to fraction form
    211,503/317,337.58 = 93,091.33/x
  3. Step 3: Cross multiply
    211,503x = 317,337.58 × 93,091.33
  4. Step 4: Simplify right side
    211,503x = 29,541,377,381.18
  5. Step 5: Solve for x
    x = 29,541,377,381.18/211,503
  6. Step 6: Final answer
    x = 139,673.56

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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.