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Finding the Fourth Proportional to 175,995.64, 263,990.69 and 70,811.88

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Solution

The fourth proportional to 175,995.64, 263,990.69 and 70,811.88 is: 106,216.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,995.64 : 263,990.69 = 70,811.88 : x
  2. Step 2: Convert to fraction form
    175,995.64/263,990.69 = 70,811.88/x
  3. Step 3: Cross multiply
    175,995.64x = 263,990.69 × 70,811.88
  4. Step 4: Simplify right side
    175,995.64x = 18,693,677,061.40
  5. Step 5: Solve for x
    x = 18,693,677,061.40/175,995.64
  6. Step 6: Final answer
    x = 106,216.71

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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.