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Finding the Fourth Proportional to 228,049.58, 314,709.15 and 126,080.70

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Solution

The fourth proportional to 228,049.58, 314,709.15 and 126,080.70 is: 173,991.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,049.58 : 314,709.15 = 126,080.70 : x
  2. Step 2: Convert to fraction form
    228,049.58/314,709.15 = 126,080.70/x
  3. Step 3: Cross multiply
    228,049.58x = 314,709.15 × 126,080.70
  4. Step 4: Simplify right side
    228,049.58x = 39,678,749,928.41
  5. Step 5: Solve for x
    x = 39,678,749,928.41/228,049.58
  6. Step 6: Final answer
    x = 173,991.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.