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Finding the Fourth Proportional to 115,263.96, 172,889.82 and 35,301.90

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Solution

The fourth proportional to 115,263.96, 172,889.82 and 35,301.90 is: 52,950.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,263.96 : 172,889.82 = 35,301.90 : x
  2. Step 2: Convert to fraction form
    115,263.96/172,889.82 = 35,301.90/x
  3. Step 3: Cross multiply
    115,263.96x = 172,889.82 × 35,301.90
  4. Step 4: Simplify right side
    115,263.96x = 6,103,339,136.66
  5. Step 5: Solve for x
    x = 6,103,339,136.66/115,263.96
  6. Step 6: Final answer
    x = 52,950.98

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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.