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Finding the Fourth Proportional to 295,598.36, 443,463.12 and 85,219.88

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Solution

The fourth proportional to 295,598.36, 443,463.12 and 85,219.88 is: 127,848.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,598.36 : 443,463.12 = 85,219.88 : x
  2. Step 2: Convert to fraction form
    295,598.36/443,463.12 = 85,219.88/x
  3. Step 3: Cross multiply
    295,598.36x = 443,463.12 × 85,219.88
  4. Step 4: Simplify right side
    295,598.36x = 37,791,873,870.83
  5. Step 5: Solve for x
    x = 37,791,873,870.83/295,598.36
  6. Step 6: Final answer
    x = 127,848.73

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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.