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Finding the Fourth Proportional to 134,745.90, 202,102.65 and 55,851.90

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Solution

The fourth proportional to 134,745.90, 202,102.65 and 55,851.90 is: 83,771.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,745.90 : 202,102.65 = 55,851.90 : x
  2. Step 2: Convert to fraction form
    134,745.90/202,102.65 = 55,851.90/x
  3. Step 3: Cross multiply
    134,745.90x = 202,102.65 × 55,851.90
  4. Step 4: Simplify right side
    134,745.90x = 11,287,816,997.54
  5. Step 5: Solve for x
    x = 11,287,816,997.54/134,745.90
  6. Step 6: Final answer
    x = 83,771.14

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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.