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Finding the Fourth Proportional to 75,063, 103,590.18 and 41,529

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Solution

The fourth proportional to 75,063, 103,590.18 and 41,529 is: 57,311.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,063 : 103,590.18 = 41,529 : x
  2. Step 2: Convert to fraction form
    75,063/103,590.18 = 41,529/x
  3. Step 3: Cross multiply
    75,063x = 103,590.18 × 41,529
  4. Step 4: Simplify right side
    75,063x = 4,301,996,585.22
  5. Step 5: Solve for x
    x = 4,301,996,585.22/75,063
  6. Step 6: Final answer
    x = 57,311.81

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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.