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Finding the Fourth Proportional to 106,679.84, 160,019.16 and 43,499.72

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Solution

The fourth proportional to 106,679.84, 160,019.16 and 43,499.72 is: 65,249.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,679.84 : 160,019.16 = 43,499.72 : x
  2. Step 2: Convert to fraction form
    106,679.84/160,019.16 = 43,499.72/x
  3. Step 3: Cross multiply
    106,679.84x = 160,019.16 × 43,499.72
  4. Step 4: Simplify right side
    106,679.84x = 6,960,788,654.64
  5. Step 5: Solve for x
    x = 6,960,788,654.64/106,679.84
  6. Step 6: Final answer
    x = 65,249.34

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1.5x scale

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.