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Finding the Fourth Proportional to 93,361.17, 140,041.51 and 40,018.56

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Solution

The fourth proportional to 93,361.17, 140,041.51 and 40,018.56 is: 60,027.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,361.17 : 140,041.51 = 40,018.56 : x
  2. Step 2: Convert to fraction form
    93,361.17/140,041.51 = 40,018.56/x
  3. Step 3: Cross multiply
    93,361.17x = 140,041.51 × 40,018.56
  4. Step 4: Simplify right side
    93,361.17x = 5,604,259,570.43
  5. Step 5: Solve for x
    x = 5,604,259,570.43/93,361.17
  6. Step 6: Final answer
    x = 60,027.73

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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.