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Finding the Fourth Proportional to 116,562.99, 174,843.91 and 100,719.81

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Solution

The fourth proportional to 116,562.99, 174,843.91 and 100,719.81 is: 151,079.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,562.99 : 174,843.91 = 100,719.81 : x
  2. Step 2: Convert to fraction form
    116,562.99/174,843.91 = 100,719.81/x
  3. Step 3: Cross multiply
    116,562.99x = 174,843.91 × 100,719.81
  4. Step 4: Simplify right side
    116,562.99x = 17,610,245,394.86
  5. Step 5: Solve for x
    x = 17,610,245,394.86/116,562.99
  6. Step 6: Final answer
    x = 151,079.22

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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.