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Finding the Fourth Proportional to 68,603.94, 102,895.28 and 26,477.88

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Solution

The fourth proportional to 68,603.94, 102,895.28 and 26,477.88 is: 39,712.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,603.94 : 102,895.28 = 26,477.88 : x
  2. Step 2: Convert to fraction form
    68,603.94/102,895.28 = 26,477.88/x
  3. Step 3: Cross multiply
    68,603.94x = 102,895.28 × 26,477.88
  4. Step 4: Simplify right side
    68,603.94x = 2,724,448,876.41
  5. Step 5: Solve for x
    x = 2,724,448,876.41/68,603.94
  6. Step 6: Final answer
    x = 39,712.72

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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.