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Finding the Fourth Proportional to 295,987.16, 443,803.15 and 135,862.76

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Solution

The fourth proportional to 295,987.16, 443,803.15 and 135,862.76 is: 203,712.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,987.16 : 443,803.15 = 135,862.76 : x
  2. Step 2: Convert to fraction form
    295,987.16/443,803.15 = 135,862.76/x
  3. Step 3: Cross multiply
    295,987.16x = 443,803.15 × 135,862.76
  4. Step 4: Simplify right side
    295,987.16x = 60,296,321,965.20
  5. Step 5: Solve for x
    x = 60,296,321,965.20/295,987.16
  6. Step 6: Final answer
    x = 203,712.63

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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.