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Finding the Fourth Proportional to 88,643.67, 132,936.63 and 29,463.45

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Solution

The fourth proportional to 88,643.67, 132,936.63 and 29,463.45 is: 44,185.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,643.67 : 132,936.63 = 29,463.45 : x
  2. Step 2: Convert to fraction form
    88,643.67/132,936.63 = 29,463.45/x
  3. Step 3: Cross multiply
    88,643.67x = 132,936.63 × 29,463.45
  4. Step 4: Simplify right side
    88,643.67x = 3,916,771,086.49
  5. Step 5: Solve for x
    x = 3,916,771,086.49/88,643.67
  6. Step 6: Final answer
    x = 44,185.57

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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.