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Finding the Fourth Proportional to 106,884.59, 160,249.12 and 69,482.03

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Solution

The fourth proportional to 106,884.59, 160,249.12 and 69,482.03 is: 104,172.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,884.59 : 160,249.12 = 69,482.03 : x
  2. Step 2: Convert to fraction form
    106,884.59/160,249.12 = 69,482.03/x
  3. Step 3: Cross multiply
    106,884.59x = 160,249.12 × 69,482.03
  4. Step 4: Simplify right side
    106,884.59x = 11,134,433,188.36
  5. Step 5: Solve for x
    x = 11,134,433,188.36/106,884.59
  6. Step 6: Final answer
    x = 104,172.49

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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.