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Finding the Fourth Proportional to 207,466.50, 311,200.02 and 57,706.80

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Solution

The fourth proportional to 207,466.50, 311,200.02 and 57,706.80 is: 86,560.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,466.50 : 311,200.02 = 57,706.80 : x
  2. Step 2: Convert to fraction form
    207,466.50/311,200.02 = 57,706.80/x
  3. Step 3: Cross multiply
    207,466.50x = 311,200.02 × 57,706.80
  4. Step 4: Simplify right side
    207,466.50x = 17,958,357,314.14
  5. Step 5: Solve for x
    x = 17,958,357,314.14/207,466.50
  6. Step 6: Final answer
    x = 86,560.28

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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.