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Finding the Fourth Proportional to 181,211.70, 271,817.55 and 118,226.10

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Solution

The fourth proportional to 181,211.70, 271,817.55 and 118,226.10 is: 177,339.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,211.70 : 271,817.55 = 118,226.10 : x
  2. Step 2: Convert to fraction form
    181,211.70/271,817.55 = 118,226.10/x
  3. Step 3: Cross multiply
    181,211.70x = 271,817.55 × 118,226.10
  4. Step 4: Simplify right side
    181,211.70x = 32,135,928,848.06
  5. Step 5: Solve for x
    x = 32,135,928,848.06/181,211.70
  6. Step 6: Final answer
    x = 177,339.15

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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.