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Finding the Fourth Proportional to 104,808.84, 144,639.28 and 59,485.82

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Solution

The fourth proportional to 104,808.84, 144,639.28 and 59,485.82 is: 82,092.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,808.84 : 144,639.28 = 59,485.82 : x
  2. Step 2: Convert to fraction form
    104,808.84/144,639.28 = 59,485.82/x
  3. Step 3: Cross multiply
    104,808.84x = 144,639.28 × 59,485.82
  4. Step 4: Simplify right side
    104,808.84x = 8,603,986,175.01
  5. Step 5: Solve for x
    x = 8,603,986,175.01/104,808.84
  6. Step 6: Final answer
    x = 82,092.18

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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.