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Finding the Fourth Proportional to 64,219.70, 96,329.55 and 16,834.70

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Solution

The fourth proportional to 64,219.70, 96,329.55 and 16,834.70 is: 25,252.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,219.70 : 96,329.55 = 16,834.70 : x
  2. Step 2: Convert to fraction form
    64,219.70/96,329.55 = 16,834.70/x
  3. Step 3: Cross multiply
    64,219.70x = 96,329.55 × 16,834.70
  4. Step 4: Simplify right side
    64,219.70x = 1,621,679,075.39
  5. Step 5: Solve for x
    x = 1,621,679,075.39/64,219.70
  6. Step 6: Final answer
    x = 25,252.05

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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.