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Finding the Fourth Proportional to 177,731.33, 266,663.54 and 92,288.88

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Solution

The fourth proportional to 177,731.33, 266,663.54 and 92,288.88 is: 138,467.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,731.33 : 266,663.54 = 92,288.88 : x
  2. Step 2: Convert to fraction form
    177,731.33/266,663.54 = 92,288.88/x
  3. Step 3: Cross multiply
    177,731.33x = 266,663.54 × 92,288.88
  4. Step 4: Simplify right side
    177,731.33x = 24,610,079,674.16
  5. Step 5: Solve for x
    x = 24,610,079,674.16/177,731.33
  6. Step 6: Final answer
    x = 138,467.88

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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.