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Finding the Fourth Proportional to 178,607.57, 246,477.56 and 98,036.46

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Solution

The fourth proportional to 178,607.57, 246,477.56 and 98,036.46 is: 135,289.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,607.57 : 246,477.56 = 98,036.46 : x
  2. Step 2: Convert to fraction form
    178,607.57/246,477.56 = 98,036.46/x
  3. Step 3: Cross multiply
    178,607.57x = 246,477.56 × 98,036.46
  4. Step 4: Simplify right side
    178,607.57x = 24,163,786,961.66
  5. Step 5: Solve for x
    x = 24,163,786,961.66/178,607.57
  6. Step 6: Final answer
    x = 135,289.83

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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.