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Finding the Fourth Proportional to 114,892.80, 172,355.40 and 35,998.80

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Solution

The fourth proportional to 114,892.80, 172,355.40 and 35,998.80 is: 54,003.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,892.80 : 172,355.40 = 35,998.80 : x
  2. Step 2: Convert to fraction form
    114,892.80/172,355.40 = 35,998.80/x
  3. Step 3: Cross multiply
    114,892.80x = 172,355.40 × 35,998.80
  4. Step 4: Simplify right side
    114,892.80x = 6,204,587,573.52
  5. Step 5: Solve for x
    x = 6,204,587,573.52/114,892.80
  6. Step 6: Final answer
    x = 54,003.28

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1.5x scale

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.