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Finding the Fourth Proportional to 116,796, 161,178.48 and 63,804

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Solution

The fourth proportional to 116,796, 161,178.48 and 63,804 is: 88,049.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,796 : 161,178.48 = 63,804 : x
  2. Step 2: Convert to fraction form
    116,796/161,178.48 = 63,804/x
  3. Step 3: Cross multiply
    116,796x = 161,178.48 × 63,804
  4. Step 4: Simplify right side
    116,796x = 10,283,831,737.92
  5. Step 5: Solve for x
    x = 10,283,831,737.92/116,796
  6. Step 6: Final answer
    x = 88,049.52

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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.