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Finding the Fourth Proportional to 93,763.01, 140,687.21 and 39,742.50

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Solution

The fourth proportional to 93,763.01, 140,687.21 and 39,742.50 is: 59,631.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,763.01 : 140,687.21 = 39,742.50 : x
  2. Step 2: Convert to fraction form
    93,763.01/140,687.21 = 39,742.50/x
  3. Step 3: Cross multiply
    93,763.01x = 140,687.21 × 39,742.50
  4. Step 4: Simplify right side
    93,763.01x = 5,591,261,091.71
  5. Step 5: Solve for x
    x = 5,591,261,091.71/93,763.01
  6. Step 6: Final answer
    x = 59,631.84

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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.