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Finding the Fourth Proportional to 254,419.88, 381,804.77 and 88,207.88

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Solution

The fourth proportional to 254,419.88, 381,804.77 and 88,207.88 is: 132,372.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,419.88 : 381,804.77 = 88,207.88 : x
  2. Step 2: Convert to fraction form
    254,419.88/381,804.77 = 88,207.88/x
  3. Step 3: Cross multiply
    254,419.88x = 381,804.77 × 88,207.88
  4. Step 4: Simplify right side
    254,419.88x = 33,678,187,647.08
  5. Step 5: Solve for x
    x = 33,678,187,647.08/254,419.88
  6. Step 6: Final answer
    x = 132,372.47

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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.