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Finding the Fourth Proportional to 177,313.76, 244,724.64 and 105,698.40

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Solution

The fourth proportional to 177,313.76, 244,724.64 and 105,698.40 is: 145,882.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,313.76 : 244,724.64 = 105,698.40 : x
  2. Step 2: Convert to fraction form
    177,313.76/244,724.64 = 105,698.40/x
  3. Step 3: Cross multiply
    177,313.76x = 244,724.64 × 105,698.40
  4. Step 4: Simplify right side
    177,313.76x = 25,867,002,888.58
  5. Step 5: Solve for x
    x = 25,867,002,888.58/177,313.76
  6. Step 6: Final answer
    x = 145,882.66

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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.