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Finding the Fourth Proportional to 243,996.82, 365,953.70 and 66,462.30

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Solution

The fourth proportional to 243,996.82, 365,953.70 and 66,462.30 is: 99,682.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,996.82 : 365,953.70 = 66,462.30 : x
  2. Step 2: Convert to fraction form
    243,996.82/365,953.70 = 66,462.30/x
  3. Step 3: Cross multiply
    243,996.82x = 365,953.70 × 66,462.30
  4. Step 4: Simplify right side
    243,996.82x = 24,322,124,761.67
  5. Step 5: Solve for x
    x = 24,322,124,761.67/243,996.82
  6. Step 6: Final answer
    x = 99,682.14

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1.5x scale

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.