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Finding the Fourth Proportional to 96,692.80, 145,064.80 and 34,356.80

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Solution

The fourth proportional to 96,692.80, 145,064.80 and 34,356.80 is: 51,544.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,692.80 : 145,064.80 = 34,356.80 : x
  2. Step 2: Convert to fraction form
    96,692.80/145,064.80 = 34,356.80/x
  3. Step 3: Cross multiply
    96,692.80x = 145,064.80 × 34,356.80
  4. Step 4: Simplify right side
    96,692.80x = 4,983,962,320.64
  5. Step 5: Solve for x
    x = 4,983,962,320.64/96,692.80
  6. Step 6: Final answer
    x = 51,544.30

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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.