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Finding the Fourth Proportional to 181,013.40, 271,649.70 and 75,907.80

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Solution

The fourth proportional to 181,013.40, 271,649.70 and 75,907.80 is: 113,916.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,013.40 : 271,649.70 = 75,907.80 : x
  2. Step 2: Convert to fraction form
    181,013.40/271,649.70 = 75,907.80/x
  3. Step 3: Cross multiply
    181,013.40x = 271,649.70 × 75,907.80
  4. Step 4: Simplify right side
    181,013.40x = 20,620,331,097.66
  5. Step 5: Solve for x
    x = 20,620,331,097.66/181,013.40
  6. Step 6: Final answer
    x = 113,916.05

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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.