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Finding the Fourth Proportional to 104,598.55, 156,964.56 and 38,032.30

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Solution

The fourth proportional to 104,598.55, 156,964.56 and 38,032.30 is: 57,072.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,598.55 : 156,964.56 = 38,032.30 : x
  2. Step 2: Convert to fraction form
    104,598.55/156,964.56 = 38,032.30/x
  3. Step 3: Cross multiply
    104,598.55x = 156,964.56 × 38,032.30
  4. Step 4: Simplify right side
    104,598.55x = 5,969,723,235.29
  5. Step 5: Solve for x
    x = 5,969,723,235.29/104,598.55
  6. Step 6: Final answer
    x = 57,072.72

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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.