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Finding the Fourth Proportional to 116,957.48, 161,391.52 and 69,202.52

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Solution

The fourth proportional to 116,957.48, 161,391.52 and 69,202.52 is: 95,493.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,957.48 : 161,391.52 = 69,202.52 : x
  2. Step 2: Convert to fraction form
    116,957.48/161,391.52 = 69,202.52/x
  3. Step 3: Cross multiply
    116,957.48x = 161,391.52 × 69,202.52
  4. Step 4: Simplify right side
    116,957.48x = 11,168,699,890.63
  5. Step 5: Solve for x
    x = 11,168,699,890.63/116,957.48
  6. Step 6: Final answer
    x = 95,493.68

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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.