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Finding the Fourth Proportional to 67,343.54, 101,003.88 and 19,957.64

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Solution

The fourth proportional to 67,343.54, 101,003.88 and 19,957.64 is: 29,933.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,343.54 : 101,003.88 = 19,957.64 : x
  2. Step 2: Convert to fraction form
    67,343.54/101,003.88 = 19,957.64/x
  3. Step 3: Cross multiply
    67,343.54x = 101,003.88 × 19,957.64
  4. Step 4: Simplify right side
    67,343.54x = 2,015,799,075.64
  5. Step 5: Solve for x
    x = 2,015,799,075.64/67,343.54
  6. Step 6: Final answer
    x = 29,933.07

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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.