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Finding the Fourth Proportional to 73,205.60, 109,813.80 and 26,452.40

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Solution

The fourth proportional to 73,205.60, 109,813.80 and 26,452.40 is: 39,680.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,205.60 : 109,813.80 = 26,452.40 : x
  2. Step 2: Convert to fraction form
    73,205.60/109,813.80 = 26,452.40/x
  3. Step 3: Cross multiply
    73,205.60x = 109,813.80 × 26,452.40
  4. Step 4: Simplify right side
    73,205.60x = 2,904,838,563.12
  5. Step 5: Solve for x
    x = 2,904,838,563.12/73,205.60
  6. Step 6: Final answer
    x = 39,680.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.