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Finding the Fourth Proportional to 181,162.40, 271,808.40 and 76,013.60

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Solution

The fourth proportional to 181,162.40, 271,808.40 and 76,013.60 is: 114,047.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,162.40 : 271,808.40 = 76,013.60 : x
  2. Step 2: Convert to fraction form
    181,162.40/271,808.40 = 76,013.60/x
  3. Step 3: Cross multiply
    181,162.40x = 271,808.40 × 76,013.60
  4. Step 4: Simplify right side
    181,162.40x = 20,661,134,994.24
  5. Step 5: Solve for x
    x = 20,661,134,994.24/181,162.40
  6. Step 6: Final answer
    x = 114,047.59

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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.