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Finding the Fourth Proportional to 176,757.89, 243,883.34 and 104,163.74

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Solution

The fourth proportional to 176,757.89, 243,883.34 and 104,163.74 is: 143,720.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,757.89 : 243,883.34 = 104,163.74 : x
  2. Step 2: Convert to fraction form
    176,757.89/243,883.34 = 104,163.74/x
  3. Step 3: Cross multiply
    176,757.89x = 243,883.34 × 104,163.74
  4. Step 4: Simplify right side
    176,757.89x = 25,403,800,818.09
  5. Step 5: Solve for x
    x = 25,403,800,818.09/176,757.89
  6. Step 6: Final answer
    x = 143,720.89

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1.5x scale

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.