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Finding the Fourth Proportional to 169,191.96, 253,760.40 and 63,985.92

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Solution

The fourth proportional to 169,191.96, 253,760.40 and 63,985.92 is: 95,968.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,191.96 : 253,760.40 = 63,985.92 : x
  2. Step 2: Convert to fraction form
    169,191.96/253,760.40 = 63,985.92/x
  3. Step 3: Cross multiply
    169,191.96x = 253,760.40 × 63,985.92
  4. Step 4: Simplify right side
    169,191.96x = 16,237,092,653.57
  5. Step 5: Solve for x
    x = 16,237,092,653.57/169,191.96
  6. Step 6: Final answer
    x = 95,968.46

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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.