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Finding the Fourth Proportional to 149,262.80, 206,017.80 and 92,716.88

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Solution

The fourth proportional to 149,262.80, 206,017.80 and 92,716.88 is: 127,971.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,262.80 : 206,017.80 = 92,716.88 : x
  2. Step 2: Convert to fraction form
    149,262.80/206,017.80 = 92,716.88/x
  3. Step 3: Cross multiply
    149,262.80x = 206,017.80 × 92,716.88
  4. Step 4: Simplify right side
    149,262.80x = 19,101,327,640.46
  5. Step 5: Solve for x
    x = 19,101,327,640.46/149,262.80
  6. Step 6: Final answer
    x = 127,971.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.