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Finding the Fourth Proportional to 63,896.49, 88,178.63 and 35,603.91

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Solution

The fourth proportional to 63,896.49, 88,178.63 and 35,603.91 is: 49,134.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,896.49 : 88,178.63 = 35,603.91 : x
  2. Step 2: Convert to fraction form
    63,896.49/88,178.63 = 35,603.91/x
  3. Step 3: Cross multiply
    63,896.49x = 88,178.63 × 35,603.91
  4. Step 4: Simplify right side
    63,896.49x = 3,139,503,828.42
  5. Step 5: Solve for x
    x = 3,139,503,828.42/63,896.49
  6. Step 6: Final answer
    x = 49,134.21

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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.