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Finding the Fourth Proportional to 181,202.10, 271,803.15 and 154,374.90

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Solution

The fourth proportional to 181,202.10, 271,803.15 and 154,374.90 is: 231,562.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,202.10 : 271,803.15 = 154,374.90 : x
  2. Step 2: Convert to fraction form
    181,202.10/271,803.15 = 154,374.90/x
  3. Step 3: Cross multiply
    181,202.10x = 271,803.15 × 154,374.90
  4. Step 4: Simplify right side
    181,202.10x = 41,959,584,100.94
  5. Step 5: Solve for x
    x = 41,959,584,100.94/181,202.10
  6. Step 6: Final answer
    x = 231,562.35

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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.