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Finding the Fourth Proportional to 93,697.40, 140,548.37 and 36,768.87

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Solution

The fourth proportional to 93,697.40, 140,548.37 and 36,768.87 is: 55,154.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,697.40 : 140,548.37 = 36,768.87 : x
  2. Step 2: Convert to fraction form
    93,697.40/140,548.37 = 36,768.87/x
  3. Step 3: Cross multiply
    93,697.40x = 140,548.37 × 36,768.87
  4. Step 4: Simplify right side
    93,697.40x = 5,167,804,561.40
  5. Step 5: Solve for x
    x = 5,167,804,561.40/93,697.40
  6. Step 6: Final answer
    x = 55,154.20

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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.