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Finding the Fourth Proportional to 184,658.72, 254,828.97 and 99,775.80

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Solution

The fourth proportional to 184,658.72, 254,828.97 and 99,775.80 is: 137,690.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,658.72 : 254,828.97 = 99,775.80 : x
  2. Step 2: Convert to fraction form
    184,658.72/254,828.97 = 99,775.80/x
  3. Step 3: Cross multiply
    184,658.72x = 254,828.97 × 99,775.80
  4. Step 4: Simplify right side
    184,658.72x = 25,425,764,344.93
  5. Step 5: Solve for x
    x = 25,425,764,344.93/184,658.72
  6. Step 6: Final answer
    x = 137,690.57

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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.