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Finding the Fourth Proportional to 67,855.80, 93,673.08 and 45,232.50

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Solution

The fourth proportional to 67,855.80, 93,673.08 and 45,232.50 is: 62,442.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,855.80 : 93,673.08 = 45,232.50 : x
  2. Step 2: Convert to fraction form
    67,855.80/93,673.08 = 45,232.50/x
  3. Step 3: Cross multiply
    67,855.80x = 93,673.08 × 45,232.50
  4. Step 4: Simplify right side
    67,855.80x = 4,237,067,591.10
  5. Step 5: Solve for x
    x = 4,237,067,591.10/67,855.80
  6. Step 6: Final answer
    x = 62,442.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.