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Finding the Fourth Proportional to 181,605.40, 271,889.70 and 160,869.40

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Solution

The fourth proportional to 181,605.40, 271,889.70 and 160,869.40 is: 240,844.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,605.40 : 271,889.70 = 160,869.40 : x
  2. Step 2: Convert to fraction form
    181,605.40/271,889.70 = 160,869.40/x
  3. Step 3: Cross multiply
    181,605.40x = 271,889.70 × 160,869.40
  4. Step 4: Simplify right side
    181,605.40x = 43,738,732,905.18
  5. Step 5: Solve for x
    x = 43,738,732,905.18/181,605.40
  6. Step 6: Final answer
    x = 240,844.89

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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.