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Finding the Fourth Proportional to 75,081.84, 103,612.08 and 41,090.04

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Solution

The fourth proportional to 75,081.84, 103,612.08 and 41,090.04 is: 56,703.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,081.84 : 103,612.08 = 41,090.04 : x
  2. Step 2: Convert to fraction form
    75,081.84/103,612.08 = 41,090.04/x
  3. Step 3: Cross multiply
    75,081.84x = 103,612.08 × 41,090.04
  4. Step 4: Simplify right side
    75,081.84x = 4,257,424,511.68
  5. Step 5: Solve for x
    x = 4,257,424,511.68/75,081.84
  6. Step 6: Final answer
    x = 56,703.78

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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.