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Finding the Fourth Proportional to 117,173.58, 175,760.37 and 28,425.66

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Solution

The fourth proportional to 117,173.58, 175,760.37 and 28,425.66 is: 42,638.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,173.58 : 175,760.37 = 28,425.66 : x
  2. Step 2: Convert to fraction form
    117,173.58/175,760.37 = 28,425.66/x
  3. Step 3: Cross multiply
    117,173.58x = 175,760.37 × 28,425.66
  4. Step 4: Simplify right side
    117,173.58x = 4,996,104,519.09
  5. Step 5: Solve for x
    x = 4,996,104,519.09/117,173.58
  6. Step 6: Final answer
    x = 42,638.49

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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.