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Finding the Fourth Proportional to 178,359.88, 246,096.20 and 121,007.02

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Solution

The fourth proportional to 178,359.88, 246,096.20 and 121,007.02 is: 166,962.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,359.88 : 246,096.20 = 121,007.02 : x
  2. Step 2: Convert to fraction form
    178,359.88/246,096.20 = 121,007.02/x
  3. Step 3: Cross multiply
    178,359.88x = 246,096.20 × 121,007.02
  4. Step 4: Simplify right side
    178,359.88x = 29,779,367,795.32
  5. Step 5: Solve for x
    x = 29,779,367,795.32/178,359.88
  6. Step 6: Final answer
    x = 166,962.26

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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.