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Finding the Fourth Proportional to 116,609.16, 174,912.93 and 100,765.97

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Solution

The fourth proportional to 116,609.16, 174,912.93 and 100,765.97 is: 151,148.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,609.16 : 174,912.93 = 100,765.97 : x
  2. Step 2: Convert to fraction form
    116,609.16/174,912.93 = 100,765.97/x
  3. Step 3: Cross multiply
    116,609.16x = 174,912.93 × 100,765.97
  4. Step 4: Simplify right side
    116,609.16x = 17,625,270,182.43
  5. Step 5: Solve for x
    x = 17,625,270,182.43/116,609.16
  6. Step 6: Final answer
    x = 151,148.25

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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.