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Finding the Fourth Proportional to 74,241.68, 102,452.84 and 40,706.96

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Solution

The fourth proportional to 74,241.68, 102,452.84 and 40,706.96 is: 56,175.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,241.68 : 102,452.84 = 40,706.96 : x
  2. Step 2: Convert to fraction form
    74,241.68/102,452.84 = 40,706.96/x
  3. Step 3: Cross multiply
    74,241.68x = 102,452.84 × 40,706.96
  4. Step 4: Simplify right side
    74,241.68x = 4,170,543,659.77
  5. Step 5: Solve for x
    x = 4,170,543,659.77/74,241.68
  6. Step 6: Final answer
    x = 56,175.23

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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.