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Finding the Fourth Proportional to 178,957.37, 246,961.76 and 98,386.26

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Solution

The fourth proportional to 178,957.37, 246,961.76 and 98,386.26 is: 135,773.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,957.37 : 246,961.76 = 98,386.26 : x
  2. Step 2: Convert to fraction form
    178,957.37/246,961.76 = 98,386.26/x
  3. Step 3: Cross multiply
    178,957.37x = 246,961.76 × 98,386.26
  4. Step 4: Simplify right side
    178,957.37x = 24,297,643,437.49
  5. Step 5: Solve for x
    x = 24,297,643,437.49/178,957.37
  6. Step 6: Final answer
    x = 135,773.36

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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.