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Finding the Fourth Proportional to 177,307.40, 244,650.74 and 105,694.10

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Solution

The fourth proportional to 177,307.40, 244,650.74 and 105,694.10 is: 145,837.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,307.40 : 244,650.74 = 105,694.10 : x
  2. Step 2: Convert to fraction form
    177,307.40/244,650.74 = 105,694.10/x
  3. Step 3: Cross multiply
    177,307.40x = 244,650.74 × 105,694.10
  4. Step 4: Simplify right side
    177,307.40x = 25,858,139,778.63
  5. Step 5: Solve for x
    x = 25,858,139,778.63/177,307.40
  6. Step 6: Final answer
    x = 145,837.91

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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.