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Finding the Fourth Proportional to 106,700.96, 159,893.05 and 43,443.69

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Solution

The fourth proportional to 106,700.96, 159,893.05 and 43,443.69 is: 65,101.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,700.96 : 159,893.05 = 43,443.69 : x
  2. Step 2: Convert to fraction form
    106,700.96/159,893.05 = 43,443.69/x
  3. Step 3: Cross multiply
    106,700.96x = 159,893.05 × 43,443.69
  4. Step 4: Simplify right side
    106,700.96x = 6,946,344,431.09
  5. Step 5: Solve for x
    x = 6,946,344,431.09/106,700.96
  6. Step 6: Final answer
    x = 65,101.05

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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.