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Finding the Fourth Proportional to 117,550.66, 175,087.33 and 115,090.29

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Solution

The fourth proportional to 117,550.66, 175,087.33 and 115,090.29 is: 171,422.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,550.66 : 175,087.33 = 115,090.29 : x
  2. Step 2: Convert to fraction form
    117,550.66/175,087.33 = 115,090.29/x
  3. Step 3: Cross multiply
    117,550.66x = 175,087.33 × 115,090.29
  4. Step 4: Simplify right side
    117,550.66x = 20,150,851,072.31
  5. Step 5: Solve for x
    x = 20,150,851,072.31/117,550.66
  6. Step 6: Final answer
    x = 171,422.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.