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Finding the Fourth Proportional to 177,295.70, 244,699.80 and 105,680.36

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Solution

The fourth proportional to 177,295.70, 244,699.80 and 105,680.36 is: 145,857.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,295.70 : 244,699.80 = 105,680.36 : x
  2. Step 2: Convert to fraction form
    177,295.70/244,699.80 = 105,680.36/x
  3. Step 3: Cross multiply
    177,295.70x = 244,699.80 × 105,680.36
  4. Step 4: Simplify right side
    177,295.70x = 25,859,962,955.93
  5. Step 5: Solve for x
    x = 25,859,962,955.93/177,295.70
  6. Step 6: Final answer
    x = 145,857.81

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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.