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Finding the Fourth Proportional to 110,723.30, 154,662.70 and 110,723.30

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Solution

The fourth proportional to 110,723.30, 154,662.70 and 110,723.30 is: 154,662.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,723.30 : 154,662.70 = 110,723.30 : x
  2. Step 2: Convert to fraction form
    110,723.30/154,662.70 = 110,723.30/x
  3. Step 3: Cross multiply
    110,723.30x = 154,662.70 × 110,723.30
  4. Step 4: Simplify right side
    110,723.30x = 17,124,764,530.91
  5. Step 5: Solve for x
    x = 17,124,764,530.91/110,723.30
  6. Step 6: Final answer
    x = 154,662.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.