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Finding the Fourth Proportional to 295,517.90, 443,276.85 and 118,052.30

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Solution

The fourth proportional to 295,517.90, 443,276.85 and 118,052.30 is: 177,078.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,517.90 : 443,276.85 = 118,052.30 : x
  2. Step 2: Convert to fraction form
    295,517.90/443,276.85 = 118,052.30/x
  3. Step 3: Cross multiply
    295,517.90x = 443,276.85 × 118,052.30
  4. Step 4: Simplify right side
    295,517.90x = 52,329,851,679.26
  5. Step 5: Solve for x
    x = 52,329,851,679.26/295,517.90
  6. Step 6: Final answer
    x = 177,078.45

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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.