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Finding the Fourth Proportional to 116,795.64, 161,177.94 and 63,080.64

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Solution

The fourth proportional to 116,795.64, 161,177.94 and 63,080.64 is: 87,051.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,795.64 : 161,177.94 = 63,080.64 : x
  2. Step 2: Convert to fraction form
    116,795.64/161,177.94 = 63,080.64/x
  3. Step 3: Cross multiply
    116,795.64x = 161,177.94 × 63,080.64
  4. Step 4: Simplify right side
    116,795.64x = 10,167,207,609.08
  5. Step 5: Solve for x
    x = 10,167,207,609.08/116,795.64
  6. Step 6: Final answer
    x = 87,051.26

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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.