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Finding the Fourth Proportional to 183,917, 253,805.70 and 104,429

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Solution

The fourth proportional to 183,917, 253,805.70 and 104,429 is: 144,112.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,917 : 253,805.70 = 104,429 : x
  2. Step 2: Convert to fraction form
    183,917/253,805.70 = 104,429/x
  3. Step 3: Cross multiply
    183,917x = 253,805.70 × 104,429
  4. Step 4: Simplify right side
    183,917x = 26,504,675,445.30
  5. Step 5: Solve for x
    x = 26,504,675,445.30/183,917
  6. Step 6: Final answer
    x = 144,112.16

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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.