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Finding the Fourth Proportional to 223,205.10, 311,787.30 and 223,205.10

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Solution

The fourth proportional to 223,205.10, 311,787.30 and 223,205.10 is: 311,787.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,205.10 : 311,787.30 = 223,205.10 : x
  2. Step 2: Convert to fraction form
    223,205.10/311,787.30 = 223,205.10/x
  3. Step 3: Cross multiply
    223,205.10x = 311,787.30 × 223,205.10
  4. Step 4: Simplify right side
    223,205.10x = 69,592,515,475.23
  5. Step 5: Solve for x
    x = 69,592,515,475.23/223,205.10
  6. Step 6: Final answer
    x = 311,787.30

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.