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Finding the Fourth Proportional to 117,403.58, 161,793.21 and 115,244.22

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Solution

The fourth proportional to 117,403.58, 161,793.21 and 115,244.22 is: 158,817.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,403.58 : 161,793.21 = 115,244.22 : x
  2. Step 2: Convert to fraction form
    117,403.58/161,793.21 = 115,244.22/x
  3. Step 3: Cross multiply
    117,403.58x = 161,793.21 × 115,244.22
  4. Step 4: Simplify right side
    117,403.58x = 18,645,733,326.64
  5. Step 5: Solve for x
    x = 18,645,733,326.64/117,403.58
  6. Step 6: Final answer
    x = 158,817.41

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1.5x scale

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.