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Finding the Fourth Proportional to 208,773, 313,211.52 and 61,029

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Solution

The fourth proportional to 208,773, 313,211.52 and 61,029 is: 91,558.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,773 : 313,211.52 = 61,029 : x
  2. Step 2: Convert to fraction form
    208,773/313,211.52 = 61,029/x
  3. Step 3: Cross multiply
    208,773x = 313,211.52 × 61,029
  4. Step 4: Simplify right side
    208,773x = 19,114,985,854.08
  5. Step 5: Solve for x
    x = 19,114,985,854.08/208,773
  6. Step 6: Final answer
    x = 91,558.71

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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.