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Finding the Fourth Proportional to 223,283.70, 334,920.15 and 134,469.90

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Solution

The fourth proportional to 223,283.70, 334,920.15 and 134,469.90 is: 201,701.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,283.70 : 334,920.15 = 134,469.90 : x
  2. Step 2: Convert to fraction form
    223,283.70/334,920.15 = 134,469.90/x
  3. Step 3: Cross multiply
    223,283.70x = 334,920.15 × 134,469.90
  4. Step 4: Simplify right side
    223,283.70x = 45,036,679,078.49
  5. Step 5: Solve for x
    x = 45,036,679,078.49/223,283.70
  6. Step 6: Final answer
    x = 201,701.60

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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.