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Finding the Fourth Proportional to 181,113.90, 271,670.85 and 113,754.30

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Solution

The fourth proportional to 181,113.90, 271,670.85 and 113,754.30 is: 170,631.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,113.90 : 271,670.85 = 113,754.30 : x
  2. Step 2: Convert to fraction form
    181,113.90/271,670.85 = 113,754.30/x
  3. Step 3: Cross multiply
    181,113.90x = 271,670.85 × 113,754.30
  4. Step 4: Simplify right side
    181,113.90x = 30,903,727,372.16
  5. Step 5: Solve for x
    x = 30,903,727,372.16/181,113.90
  6. Step 6: Final answer
    x = 170,631.45

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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.