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Finding the Fourth Proportional to 104,655.96, 156,983.70 and 25,771.32

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Solution

The fourth proportional to 104,655.96, 156,983.70 and 25,771.32 is: 38,656.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,655.96 : 156,983.70 = 25,771.32 : x
  2. Step 2: Convert to fraction form
    104,655.96/156,983.70 = 25,771.32/x
  3. Step 3: Cross multiply
    104,655.96x = 156,983.70 × 25,771.32
  4. Step 4: Simplify right side
    104,655.96x = 4,045,677,167.48
  5. Step 5: Solve for x
    x = 4,045,677,167.48/104,655.96
  6. Step 6: Final answer
    x = 38,656.92

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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.