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Finding the Fourth Proportional to 166,999.98, 230,459.64 and 91,549.02

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Solution

The fourth proportional to 166,999.98, 230,459.64 and 91,549.02 is: 126,337.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,999.98 : 230,459.64 = 91,549.02 : x
  2. Step 2: Convert to fraction form
    166,999.98/230,459.64 = 91,549.02/x
  3. Step 3: Cross multiply
    166,999.98x = 230,459.64 × 91,549.02
  4. Step 4: Simplify right side
    166,999.98x = 21,098,354,191.55
  5. Step 5: Solve for x
    x = 21,098,354,191.55/166,999.98
  6. Step 6: Final answer
    x = 126,337.47

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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.