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Finding the Fourth Proportional to 254,503.88, 381,174.24 and 121,477.52

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Solution

The fourth proportional to 254,503.88, 381,174.24 and 121,477.52 is: 181,938.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,503.88 : 381,174.24 = 121,477.52 : x
  2. Step 2: Convert to fraction form
    254,503.88/381,174.24 = 121,477.52/x
  3. Step 3: Cross multiply
    254,503.88x = 381,174.24 × 121,477.52
  4. Step 4: Simplify right side
    254,503.88x = 46,304,101,363.08
  5. Step 5: Solve for x
    x = 46,304,101,363.08/254,503.88
  6. Step 6: Final answer
    x = 181,938.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.