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Finding the Fourth Proportional to 134,604.40, 201,890.40 and 55,710.40

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Solution

The fourth proportional to 134,604.40, 201,890.40 and 55,710.40 is: 83,558.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,604.40 : 201,890.40 = 55,710.40 : x
  2. Step 2: Convert to fraction form
    134,604.40/201,890.40 = 55,710.40/x
  3. Step 3: Cross multiply
    134,604.40x = 201,890.40 × 55,710.40
  4. Step 4: Simplify right side
    134,604.40x = 11,247,394,940.16
  5. Step 5: Solve for x
    x = 11,247,394,940.16/134,604.40
  6. Step 6: Final answer
    x = 83,558.90

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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.