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Finding the Fourth Proportional to 177,571.85, 245,008.80 and 105,937.88

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Solution

The fourth proportional to 177,571.85, 245,008.80 and 105,937.88 is: 146,170.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,571.85 : 245,008.80 = 105,937.88 : x
  2. Step 2: Convert to fraction form
    177,571.85/245,008.80 = 105,937.88/x
  3. Step 3: Cross multiply
    177,571.85x = 245,008.80 × 105,937.88
  4. Step 4: Simplify right side
    177,571.85x = 25,955,711,628.30
  5. Step 5: Solve for x
    x = 25,955,711,628.30/177,571.85
  6. Step 6: Final answer
    x = 146,170.20

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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.