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Finding the Fourth Proportional to 180,534.93, 270,610.30 and 68,167.31

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Solution

The fourth proportional to 180,534.93, 270,610.30 and 68,167.31 is: 102,178.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,534.93 : 270,610.30 = 68,167.31 : x
  2. Step 2: Convert to fraction form
    180,534.93/270,610.30 = 68,167.31/x
  3. Step 3: Cross multiply
    180,534.93x = 270,610.30 × 68,167.31
  4. Step 4: Simplify right side
    180,534.93x = 18,446,774,941.45
  5. Step 5: Solve for x
    x = 18,446,774,941.45/180,534.93
  6. Step 6: Final answer
    x = 102,178.43

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1.5x scale

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.