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Finding the Fourth Proportional to 181,366.10, 271,721.10 and 155,122.10

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Solution

The fourth proportional to 181,366.10, 271,721.10 and 155,122.10 is: 232,402.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,366.10 : 271,721.10 = 155,122.10 : x
  2. Step 2: Convert to fraction form
    181,366.10/271,721.10 = 155,122.10/x
  3. Step 3: Cross multiply
    181,366.10x = 271,721.10 × 155,122.10
  4. Step 4: Simplify right side
    181,366.10x = 42,149,947,646.31
  5. Step 5: Solve for x
    x = 42,149,947,646.31/181,366.10
  6. Step 6: Final answer
    x = 232,402.57

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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.