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Finding the Fourth Proportional to 134,604.90, 201,891.15 and 55,710.90

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Solution

The fourth proportional to 134,604.90, 201,891.15 and 55,710.90 is: 83,559.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,604.90 : 201,891.15 = 55,710.90 : x
  2. Step 2: Convert to fraction form
    134,604.90/201,891.15 = 55,710.90/x
  3. Step 3: Cross multiply
    134,604.90x = 201,891.15 × 55,710.90
  4. Step 4: Simplify right side
    134,604.90x = 11,247,537,668.54
  5. Step 5: Solve for x
    x = 11,247,537,668.54/134,604.90
  6. Step 6: Final answer
    x = 83,559.65

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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.