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Finding the Fourth Proportional to 68,259.70, 102,321.51 and 32,655.34

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Solution

The fourth proportional to 68,259.70, 102,321.51 and 32,655.34 is: 48,950.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,259.70 : 102,321.51 = 32,655.34 : x
  2. Step 2: Convert to fraction form
    68,259.70/102,321.51 = 32,655.34/x
  3. Step 3: Cross multiply
    68,259.70x = 102,321.51 × 32,655.34
  4. Step 4: Simplify right side
    68,259.70x = 3,341,343,698.36
  5. Step 5: Solve for x
    x = 3,341,343,698.36/68,259.70
  6. Step 6: Final answer
    x = 48,950.46

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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.