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Finding the Fourth Proportional to 68,314.59, 102,482.82 and 28,882.98

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Solution

The fourth proportional to 68,314.59, 102,482.82 and 28,882.98 is: 43,329.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,314.59 : 102,482.82 = 28,882.98 : x
  2. Step 2: Convert to fraction form
    68,314.59/102,482.82 = 28,882.98/x
  3. Step 3: Cross multiply
    68,314.59x = 102,482.82 × 28,882.98
  4. Step 4: Simplify right side
    68,314.59x = 2,960,009,240.40
  5. Step 5: Solve for x
    x = 2,960,009,240.40/68,314.59
  6. Step 6: Final answer
    x = 43,329.09

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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.