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Finding the Fourth Proportional to 178,702.92, 246,600.36 and 98,141.04

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Solution

The fourth proportional to 178,702.92, 246,600.36 and 98,141.04 is: 135,429.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,702.92 : 246,600.36 = 98,141.04 : x
  2. Step 2: Convert to fraction form
    178,702.92/246,600.36 = 98,141.04/x
  3. Step 3: Cross multiply
    178,702.92x = 246,600.36 × 98,141.04
  4. Step 4: Simplify right side
    178,702.92x = 24,201,615,794.77
  5. Step 5: Solve for x
    x = 24,201,615,794.77/178,702.92
  6. Step 6: Final answer
    x = 135,429.32

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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.