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Finding the Fourth Proportional to 181,259.40, 271,621.80 and 131,444.40

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Solution

The fourth proportional to 181,259.40, 271,621.80 and 131,444.40 is: 196,972.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,259.40 : 271,621.80 = 131,444.40 : x
  2. Step 2: Convert to fraction form
    181,259.40/271,621.80 = 131,444.40/x
  3. Step 3: Cross multiply
    181,259.40x = 271,621.80 × 131,444.40
  4. Step 4: Simplify right side
    181,259.40x = 35,703,164,527.92
  5. Step 5: Solve for x
    x = 35,703,164,527.92/181,259.40
  6. Step 6: Final answer
    x = 196,972.76

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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.