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Finding the Fourth Proportional to 115,965.55, 173,865.30 and 44,827.30

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Solution

The fourth proportional to 115,965.55, 173,865.30 and 44,827.30 is: 67,208.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,965.55 : 173,865.30 = 44,827.30 : x
  2. Step 2: Convert to fraction form
    115,965.55/173,865.30 = 44,827.30/x
  3. Step 3: Cross multiply
    115,965.55x = 173,865.30 × 44,827.30
  4. Step 4: Simplify right side
    115,965.55x = 7,793,911,962.69
  5. Step 5: Solve for x
    x = 7,793,911,962.69/115,965.55
  6. Step 6: Final answer
    x = 67,208.86

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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.