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Finding the Fourth Proportional to 75,103.73, 103,639.80 and 41,113.65

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Solution

The fourth proportional to 75,103.73, 103,639.80 and 41,113.65 is: 56,735.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,103.73 : 103,639.80 = 41,113.65 : x
  2. Step 2: Convert to fraction form
    75,103.73/103,639.80 = 41,113.65/x
  3. Step 3: Cross multiply
    75,103.73x = 103,639.80 × 41,113.65
  4. Step 4: Simplify right side
    75,103.73x = 4,261,010,463.27
  5. Step 5: Solve for x
    x = 4,261,010,463.27/75,103.73
  6. Step 6: Final answer
    x = 56,735.00

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1.5x scale

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.