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Finding the Fourth Proportional to 295,540.80, 443,368.80 and 127,060.80

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Solution

The fourth proportional to 295,540.80, 443,368.80 and 127,060.80 is: 190,615.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,540.80 : 443,368.80 = 127,060.80 : x
  2. Step 2: Convert to fraction form
    295,540.80/443,368.80 = 127,060.80/x
  3. Step 3: Cross multiply
    295,540.80x = 443,368.80 × 127,060.80
  4. Step 4: Simplify right side
    295,540.80x = 56,334,794,423.04
  5. Step 5: Solve for x
    x = 56,334,794,423.04/295,540.80
  6. Step 6: Final answer
    x = 190,615.96

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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.