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Finding the Fourth Proportional to 93,361.56, 140,050.25 and 40,807.95

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Solution

The fourth proportional to 93,361.56, 140,050.25 and 40,807.95 is: 61,215.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,361.56 : 140,050.25 = 40,807.95 : x
  2. Step 2: Convert to fraction form
    93,361.56/140,050.25 = 40,807.95/x
  3. Step 3: Cross multiply
    93,361.56x = 140,050.25 × 40,807.95
  4. Step 4: Simplify right side
    93,361.56x = 5,715,163,395.45
  5. Step 5: Solve for x
    x = 5,715,163,395.45/93,361.56
  6. Step 6: Final answer
    x = 61,215.38

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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.