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Finding the Fourth Proportional to 311,841.06, 467,645.49 and 112,106.94

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Solution

The fourth proportional to 311,841.06, 467,645.49 and 112,106.94 is: 168,118.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,841.06 : 467,645.49 = 112,106.94 : x
  2. Step 2: Convert to fraction form
    311,841.06/467,645.49 = 112,106.94/x
  3. Step 3: Cross multiply
    311,841.06x = 467,645.49 × 112,106.94
  4. Step 4: Simplify right side
    311,841.06x = 52,426,304,888.70
  5. Step 5: Solve for x
    x = 52,426,304,888.70/311,841.06
  6. Step 6: Final answer
    x = 168,118.67

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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.