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Finding the Fourth Proportional to 170,032.80, 254,757.60 and 81,094.80

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Solution

The fourth proportional to 170,032.80, 254,757.60 and 81,094.80 is: 121,503.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,032.80 : 254,757.60 = 81,094.80 : x
  2. Step 2: Convert to fraction form
    170,032.80/254,757.60 = 81,094.80/x
  3. Step 3: Cross multiply
    170,032.80x = 254,757.60 × 81,094.80
  4. Step 4: Simplify right side
    170,032.80x = 20,659,516,620.48
  5. Step 5: Solve for x
    x = 20,659,516,620.48/170,032.80
  6. Step 6: Final answer
    x = 121,503.13

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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.