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Finding the Fourth Proportional to 183,476.72, 253,193.88 and 102,902.48

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Solution

The fourth proportional to 183,476.72, 253,193.88 and 102,902.48 is: 142,003.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,476.72 : 253,193.88 = 102,902.48 : x
  2. Step 2: Convert to fraction form
    183,476.72/253,193.88 = 102,902.48/x
  3. Step 3: Cross multiply
    183,476.72x = 253,193.88 × 102,902.48
  4. Step 4: Simplify right side
    183,476.72x = 26,054,278,172.82
  5. Step 5: Solve for x
    x = 26,054,278,172.82/183,476.72
  6. Step 6: Final answer
    x = 142,003.18

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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.