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Finding the Fourth Proportional to 181,288.88, 271,905.20 and 92,607.92

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Solution

The fourth proportional to 181,288.88, 271,905.20 and 92,607.92 is: 138,897.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,288.88 : 271,905.20 = 92,607.92 : x
  2. Step 2: Convert to fraction form
    181,288.88/271,905.20 = 92,607.92/x
  3. Step 3: Cross multiply
    181,288.88x = 271,905.20 × 92,607.92
  4. Step 4: Simplify right side
    181,288.88x = 25,180,575,009.18
  5. Step 5: Solve for x
    x = 25,180,575,009.18/181,288.88
  6. Step 6: Final answer
    x = 138,897.52

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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.