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Finding the Fourth Proportional to 80,702.96, 111,358.08 and 44,893.40

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Solution

The fourth proportional to 80,702.96, 111,358.08 and 44,893.40 is: 61,946.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,702.96 : 111,358.08 = 44,893.40 : x
  2. Step 2: Convert to fraction form
    80,702.96/111,358.08 = 44,893.40/x
  3. Step 3: Cross multiply
    80,702.96x = 111,358.08 × 44,893.40
  4. Step 4: Simplify right side
    80,702.96x = 4,999,242,828.67
  5. Step 5: Solve for x
    x = 4,999,242,828.67/80,702.96
  6. Step 6: Final answer
    x = 61,946.21

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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.