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Finding the Fourth Proportional to 116,893.80, 163,755 and 116,893.80

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Solution

The fourth proportional to 116,893.80, 163,755 and 116,893.80 is: 163,755

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,893.80 : 163,755 = 116,893.80 : x
  2. Step 2: Convert to fraction form
    116,893.80/163,755 = 116,893.80/x
  3. Step 3: Cross multiply
    116,893.80x = 163,755 × 116,893.80
  4. Step 4: Simplify right side
    116,893.80x = 19,141,944,219
  5. Step 5: Solve for x
    x = 19,141,944,219/116,893.80
  6. Step 6: Final answer
    x = 163,755

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.