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Finding the Fourth Proportional to 75,230.37, 103,815.84 and 43,397.37

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Solution

The fourth proportional to 75,230.37, 103,815.84 and 43,397.37 is: 59,887.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,230.37 : 103,815.84 = 43,397.37 : x
  2. Step 2: Convert to fraction form
    75,230.37/103,815.84 = 43,397.37/x
  3. Step 3: Cross multiply
    75,230.37x = 103,815.84 × 43,397.37
  4. Step 4: Simplify right side
    75,230.37x = 4,505,334,420.34
  5. Step 5: Solve for x
    x = 4,505,334,420.34/75,230.37
  6. Step 6: Final answer
    x = 59,887.18

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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.