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Finding the Fourth Proportional to 207,247.61, 311,002.23 and 118,674.11

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Solution

The fourth proportional to 207,247.61, 311,002.23 and 118,674.11 is: 178,086.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,247.61 : 311,002.23 = 118,674.11 : x
  2. Step 2: Convert to fraction form
    207,247.61/311,002.23 = 118,674.11/x
  3. Step 3: Cross multiply
    207,247.61x = 311,002.23 × 118,674.11
  4. Step 4: Simplify right side
    207,247.61x = 36,907,914,075.80
  5. Step 5: Solve for x
    x = 36,907,914,075.80/207,247.61
  6. Step 6: Final answer
    x = 178,086.08

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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.