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Finding the Fourth Proportional to 116,735.54, 174,822.56 and 66,663.86

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Solution

The fourth proportional to 116,735.54, 174,822.56 and 66,663.86 is: 99,835.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,735.54 : 174,822.56 = 66,663.86 : x
  2. Step 2: Convert to fraction form
    116,735.54/174,822.56 = 66,663.86/x
  3. Step 3: Cross multiply
    116,735.54x = 174,822.56 × 66,663.86
  4. Step 4: Simplify right side
    116,735.54x = 11,654,345,457.25
  5. Step 5: Solve for x
    x = 11,654,345,457.25/116,735.54
  6. Step 6: Final answer
    x = 99,835.46

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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.