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Finding the Fourth Proportional to 173,437.98, 239,383.02 and 105,440.52

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Solution

The fourth proportional to 173,437.98, 239,383.02 and 105,440.52 is: 145,531.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,437.98 : 239,383.02 = 105,440.52 : x
  2. Step 2: Convert to fraction form
    173,437.98/239,383.02 = 105,440.52/x
  3. Step 3: Cross multiply
    173,437.98x = 239,383.02 × 105,440.52
  4. Step 4: Simplify right side
    173,437.98x = 25,240,670,107.97
  5. Step 5: Solve for x
    x = 25,240,670,107.97/173,437.98
  6. Step 6: Final answer
    x = 145,531.39

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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.