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Finding the Fourth Proportional to 176,763.67, 243,914.09 and 104,161.88

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Solution

The fourth proportional to 176,763.67, 243,914.09 and 104,161.88 is: 143,731.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,763.67 : 243,914.09 = 104,161.88 : x
  2. Step 2: Convert to fraction form
    176,763.67/243,914.09 = 104,161.88/x
  3. Step 3: Cross multiply
    176,763.67x = 243,914.09 × 104,161.88
  4. Step 4: Simplify right side
    176,763.67x = 25,406,550,261.87
  5. Step 5: Solve for x
    x = 25,406,550,261.87/176,763.67
  6. Step 6: Final answer
    x = 143,731.74

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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.