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Finding the Fourth Proportional to 181,159.10, 271,410.60 and 154,915.10

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Solution

The fourth proportional to 181,159.10, 271,410.60 and 154,915.10 is: 232,092.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,159.10 : 271,410.60 = 154,915.10 : x
  2. Step 2: Convert to fraction form
    181,159.10/271,410.60 = 154,915.10/x
  3. Step 3: Cross multiply
    181,159.10x = 271,410.60 × 154,915.10
  4. Step 4: Simplify right side
    181,159.10x = 42,045,600,240.06
  5. Step 5: Solve for x
    x = 42,045,600,240.06/181,159.10
  6. Step 6: Final answer
    x = 232,092.12

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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.