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Finding the Fourth Proportional to 104,329.50, 156,524.49 and 30,457.50

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Solution

The fourth proportional to 104,329.50, 156,524.49 and 30,457.50 is: 45,695.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,329.50 : 156,524.49 = 30,457.50 : x
  2. Step 2: Convert to fraction form
    104,329.50/156,524.49 = 30,457.50/x
  3. Step 3: Cross multiply
    104,329.50x = 156,524.49 × 30,457.50
  4. Step 4: Simplify right side
    104,329.50x = 4,767,344,654.18
  5. Step 5: Solve for x
    x = 4,767,344,654.18/104,329.50
  6. Step 6: Final answer
    x = 45,695.08

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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.