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Finding the Fourth Proportional to 67,335.68, 101,005.06 and 19,949.88

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Solution

The fourth proportional to 67,335.68, 101,005.06 and 19,949.88 is: 29,925.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,335.68 : 101,005.06 = 19,949.88 : x
  2. Step 2: Convert to fraction form
    67,335.68/101,005.06 = 19,949.88/x
  3. Step 3: Cross multiply
    67,335.68x = 101,005.06 × 19,949.88
  4. Step 4: Simplify right side
    67,335.68x = 2,015,039,008.57
  5. Step 5: Solve for x
    x = 2,015,039,008.57/67,335.68
  6. Step 6: Final answer
    x = 29,925.28

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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.