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Finding the Fourth Proportional to 117,003.40, 175,505.10 and 115,253.80

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Solution

The fourth proportional to 117,003.40, 175,505.10 and 115,253.80 is: 172,880.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,003.40 : 175,505.10 = 115,253.80 : x
  2. Step 2: Convert to fraction form
    117,003.40/175,505.10 = 115,253.80/x
  3. Step 3: Cross multiply
    117,003.40x = 175,505.10 × 115,253.80
  4. Step 4: Simplify right side
    117,003.40x = 20,227,629,694.38
  5. Step 5: Solve for x
    x = 20,227,629,694.38/117,003.40
  6. Step 6: Final answer
    x = 172,880.70

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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.