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Finding the Fourth Proportional to 178,399.80, 246,320.82 and 114,848.28

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Solution

The fourth proportional to 178,399.80, 246,320.82 and 114,848.28 is: 158,573.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,399.80 : 246,320.82 = 114,848.28 : x
  2. Step 2: Convert to fraction form
    178,399.80/246,320.82 = 114,848.28/x
  3. Step 3: Cross multiply
    178,399.80x = 246,320.82 × 114,848.28
  4. Step 4: Simplify right side
    178,399.80x = 28,289,522,505.19
  5. Step 5: Solve for x
    x = 28,289,522,505.19/178,399.80
  6. Step 6: Final answer
    x = 158,573.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.