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Finding the Fourth Proportional to 178,779, 246,702.84 and 98,209.92

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Solution

The fourth proportional to 178,779, 246,702.84 and 98,209.92 is: 135,523.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,779 : 246,702.84 = 98,209.92 : x
  2. Step 2: Convert to fraction form
    178,779/246,702.84 = 98,209.92/x
  3. Step 3: Cross multiply
    178,779x = 246,702.84 × 98,209.92
  4. Step 4: Simplify right side
    178,779x = 24,228,666,180.17
  5. Step 5: Solve for x
    x = 24,228,666,180.17/178,779
  6. Step 6: Final answer
    x = 135,523.00

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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.