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Finding the Fourth Proportional to 93,317.30, 139,859.31 and 73,517.66

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Solution

The fourth proportional to 93,317.30, 139,859.31 and 73,517.66 is: 110,184.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,317.30 : 139,859.31 = 73,517.66 : x
  2. Step 2: Convert to fraction form
    93,317.30/139,859.31 = 73,517.66/x
  3. Step 3: Cross multiply
    93,317.30x = 139,859.31 × 73,517.66
  4. Step 4: Simplify right side
    93,317.30x = 10,282,129,200.41
  5. Step 5: Solve for x
    x = 10,282,129,200.41/93,317.30
  6. Step 6: Final answer
    x = 110,184.60

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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.