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Finding the Fourth Proportional to 360,774.80, 541,009.94 and 108,091.22

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Solution

The fourth proportional to 360,774.80, 541,009.94 and 108,091.22 is: 162,091.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,774.80 : 541,009.94 = 108,091.22 : x
  2. Step 2: Convert to fraction form
    360,774.80/541,009.94 = 108,091.22/x
  3. Step 3: Cross multiply
    360,774.80x = 541,009.94 × 108,091.22
  4. Step 4: Simplify right side
    360,774.80x = 58,478,421,201.22
  5. Step 5: Solve for x
    x = 58,478,421,201.22/360,774.80
  6. Step 6: Final answer
    x = 162,091.20

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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.