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Finding the Fourth Proportional to 254,575.47, 381,863.20 and 65,036.25

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Solution

The fourth proportional to 254,575.47, 381,863.20 and 65,036.25 is: 97,554.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,575.47 : 381,863.20 = 65,036.25 : x
  2. Step 2: Convert to fraction form
    254,575.47/381,863.20 = 65,036.25/x
  3. Step 3: Cross multiply
    254,575.47x = 381,863.20 × 65,036.25
  4. Step 4: Simplify right side
    254,575.47x = 24,834,950,378.41
  5. Step 5: Solve for x
    x = 24,834,950,378.41/254,575.47
  6. Step 6: Final answer
    x = 97,554.37

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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.