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Finding the Fourth Proportional to 110,007.70, 164,979.15 and 43,425.70

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Solution

The fourth proportional to 110,007.70, 164,979.15 and 43,425.70 is: 65,125.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,007.70 : 164,979.15 = 43,425.70 : x
  2. Step 2: Convert to fraction form
    110,007.70/164,979.15 = 43,425.70/x
  3. Step 3: Cross multiply
    110,007.70x = 164,979.15 × 43,425.70
  4. Step 4: Simplify right side
    110,007.70x = 7,164,335,074.16
  5. Step 5: Solve for x
    x = 7,164,335,074.16/110,007.70
  6. Step 6: Final answer
    x = 65,125.76

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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.