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Finding the Fourth Proportional to 114,245.96, 171,398.51 and 66,901.06

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Solution

The fourth proportional to 114,245.96, 171,398.51 and 66,901.06 is: 100,368.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,245.96 : 171,398.51 = 66,901.06 : x
  2. Step 2: Convert to fraction form
    114,245.96/171,398.51 = 66,901.06/x
  3. Step 3: Cross multiply
    114,245.96x = 171,398.51 × 66,901.06
  4. Step 4: Simplify right side
    114,245.96x = 11,466,741,489.30
  5. Step 5: Solve for x
    x = 11,466,741,489.30/114,245.96
  6. Step 6: Final answer
    x = 100,368.90

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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.