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Finding the Fourth Proportional to 183,553.29, 253,299.33 and 102,978.95

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Solution

The fourth proportional to 183,553.29, 253,299.33 and 102,978.95 is: 142,108.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,553.29 : 253,299.33 = 102,978.95 : x
  2. Step 2: Convert to fraction form
    183,553.29/253,299.33 = 102,978.95/x
  3. Step 3: Cross multiply
    183,553.29x = 253,299.33 × 102,978.95
  4. Step 4: Simplify right side
    183,553.29x = 26,084,497,772.61
  5. Step 5: Solve for x
    x = 26,084,497,772.61/183,553.29
  6. Step 6: Final answer
    x = 142,108.58

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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.