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Finding the Fourth Proportional to 292,813, 404,081.94 and 158,677

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Solution

The fourth proportional to 292,813, 404,081.94 and 158,677 is: 218,974.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,813 : 404,081.94 = 158,677 : x
  2. Step 2: Convert to fraction form
    292,813/404,081.94 = 158,677/x
  3. Step 3: Cross multiply
    292,813x = 404,081.94 × 158,677
  4. Step 4: Simplify right side
    292,813x = 64,118,509,993.38
  5. Step 5: Solve for x
    x = 64,118,509,993.38/292,813
  6. Step 6: Final answer
    x = 218,974.26

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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.