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Finding the Fourth Proportional to 83,905, 115,788.88 and 46,179.24

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Solution

The fourth proportional to 83,905, 115,788.88 and 46,179.24 is: 63,727.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,905 : 115,788.88 = 46,179.24 : x
  2. Step 2: Convert to fraction form
    83,905/115,788.88 = 46,179.24/x
  3. Step 3: Cross multiply
    83,905x = 115,788.88 × 46,179.24
  4. Step 4: Simplify right side
    83,905x = 5,347,042,478.85
  5. Step 5: Solve for x
    x = 5,347,042,478.85/83,905
  6. Step 6: Final answer
    x = 63,727.34

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.