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Finding the Fourth Proportional to 134,773.20, 202,159.80 and 92,782.80

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Solution

The fourth proportional to 134,773.20, 202,159.80 and 92,782.80 is: 139,174.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,773.20 : 202,159.80 = 92,782.80 : x
  2. Step 2: Convert to fraction form
    134,773.20/202,159.80 = 92,782.80/x
  3. Step 3: Cross multiply
    134,773.20x = 202,159.80 × 92,782.80
  4. Step 4: Simplify right side
    134,773.20x = 18,756,952,291.44
  5. Step 5: Solve for x
    x = 18,756,952,291.44/134,773.20
  6. Step 6: Final answer
    x = 139,174.20

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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.