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Finding the Fourth Proportional to 201,092.40, 301,201.20 and 161,726.40

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Solution

The fourth proportional to 201,092.40, 301,201.20 and 161,726.40 is: 242,237.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,092.40 : 301,201.20 = 161,726.40 : x
  2. Step 2: Convert to fraction form
    201,092.40/301,201.20 = 161,726.40/x
  3. Step 3: Cross multiply
    201,092.40x = 301,201.20 × 161,726.40
  4. Step 4: Simplify right side
    201,092.40x = 48,712,185,751.68
  5. Step 5: Solve for x
    x = 48,712,185,751.68/201,092.40
  6. Step 6: Final answer
    x = 242,237.83

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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.