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Finding the Fourth Proportional to 71,403.42, 107,030.84 and 23,983.32

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Solution

The fourth proportional to 71,403.42, 107,030.84 and 23,983.32 is: 35,950.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,403.42 : 107,030.84 = 23,983.32 : x
  2. Step 2: Convert to fraction form
    71,403.42/107,030.84 = 23,983.32/x
  3. Step 3: Cross multiply
    71,403.42x = 107,030.84 × 23,983.32
  4. Step 4: Simplify right side
    71,403.42x = 2,566,954,765.67
  5. Step 5: Solve for x
    x = 2,566,954,765.67/71,403.42
  6. Step 6: Final answer
    x = 35,950.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.