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Finding the Fourth Proportional to 295,638.55, 443,515.43 and 118,115.35

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Solution

The fourth proportional to 295,638.55, 443,515.43 and 118,115.35 is: 177,196.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,638.55 : 443,515.43 = 118,115.35 : x
  2. Step 2: Convert to fraction form
    295,638.55/443,515.43 = 118,115.35/x
  3. Step 3: Cross multiply
    295,638.55x = 443,515.43 × 118,115.35
  4. Step 4: Simplify right side
    295,638.55x = 52,385,980,244.85
  5. Step 5: Solve for x
    x = 52,385,980,244.85/295,638.55
  6. Step 6: Final answer
    x = 177,196.04

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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.