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Finding the Fourth Proportional to 181,256.70, 271,347.45 and 134,715.90

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Solution

The fourth proportional to 181,256.70, 271,347.45 and 134,715.90 is: 201,674.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,256.70 : 271,347.45 = 134,715.90 : x
  2. Step 2: Convert to fraction form
    181,256.70/271,347.45 = 134,715.90/x
  3. Step 3: Cross multiply
    181,256.70x = 271,347.45 × 134,715.90
  4. Step 4: Simplify right side
    181,256.70x = 36,554,815,939.46
  5. Step 5: Solve for x
    x = 36,554,815,939.46/181,256.70
  6. Step 6: Final answer
    x = 201,674.29

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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.