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Finding the Fourth Proportional to 295,673.60, 443,000.10 and 137,577.80

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Solution

The fourth proportional to 295,673.60, 443,000.10 and 137,577.80 is: 206,129.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,673.60 : 443,000.10 = 137,577.80 : x
  2. Step 2: Convert to fraction form
    295,673.60/443,000.10 = 137,577.80/x
  3. Step 3: Cross multiply
    295,673.60x = 443,000.10 × 137,577.80
  4. Step 4: Simplify right side
    295,673.60x = 60,946,979,157.78
  5. Step 5: Solve for x
    x = 60,946,979,157.78/295,673.60
  6. Step 6: Final answer
    x = 206,129.26

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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.