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Finding the Fourth Proportional to 178,049.01, 266,689.56 and 167,580.57

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Solution

The fourth proportional to 178,049.01, 266,689.56 and 167,580.57 is: 251,009.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,049.01 : 266,689.56 = 167,580.57 : x
  2. Step 2: Convert to fraction form
    178,049.01/266,689.56 = 167,580.57/x
  3. Step 3: Cross multiply
    178,049.01x = 266,689.56 × 167,580.57
  4. Step 4: Simplify right side
    178,049.01x = 44,691,988,477.85
  5. Step 5: Solve for x
    x = 44,691,988,477.85/178,049.01
  6. Step 6: Final answer
    x = 251,009.47

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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.