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Finding the Fourth Proportional to 113,733.64, 170,250.52 and 74,205.64

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Solution

The fourth proportional to 113,733.64, 170,250.52 and 74,205.64 is: 111,080.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,733.64 : 170,250.52 = 74,205.64 : x
  2. Step 2: Convert to fraction form
    113,733.64/170,250.52 = 74,205.64/x
  3. Step 3: Cross multiply
    113,733.64x = 170,250.52 × 74,205.64
  4. Step 4: Simplify right side
    113,733.64x = 12,633,548,796.93
  5. Step 5: Solve for x
    x = 12,633,548,796.93/113,733.64
  6. Step 6: Final answer
    x = 111,080.14

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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.