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Finding the Fourth Proportional to 161,693.56, 223,142.12 and 92,795.59

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Solution

The fourth proportional to 161,693.56, 223,142.12 and 92,795.59 is: 128,060.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,693.56 : 223,142.12 = 92,795.59 : x
  2. Step 2: Convert to fraction form
    161,693.56/223,142.12 = 92,795.59/x
  3. Step 3: Cross multiply
    161,693.56x = 223,142.12 × 92,795.59
  4. Step 4: Simplify right side
    161,693.56x = 20,706,604,679.25
  5. Step 5: Solve for x
    x = 20,706,604,679.25/161,693.56
  6. Step 6: Final answer
    x = 128,060.79

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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.