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Finding the Fourth Proportional to 93,888.40, 140,817.87 and 30,708.01

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Solution

The fourth proportional to 93,888.40, 140,817.87 and 30,708.01 is: 46,057.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,888.40 : 140,817.87 = 30,708.01 : x
  2. Step 2: Convert to fraction form
    93,888.40/140,817.87 = 30,708.01/x
  3. Step 3: Cross multiply
    93,888.40x = 140,817.87 × 30,708.01
  4. Step 4: Simplify right side
    93,888.40x = 4,324,236,560.14
  5. Step 5: Solve for x
    x = 4,324,236,560.14/93,888.40
  6. Step 6: Final answer
    x = 46,057.20

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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.