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Finding the Fourth Proportional to 116,007.96, 160,090.92 and 65,706.96

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Solution

The fourth proportional to 116,007.96, 160,090.92 and 65,706.96 is: 90,675.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,007.96 : 160,090.92 = 65,706.96 : x
  2. Step 2: Convert to fraction form
    116,007.96/160,090.92 = 65,706.96/x
  3. Step 3: Cross multiply
    116,007.96x = 160,090.92 × 65,706.96
  4. Step 4: Simplify right side
    116,007.96x = 10,519,087,676.80
  5. Step 5: Solve for x
    x = 10,519,087,676.80/116,007.96
  6. Step 6: Final answer
    x = 90,675.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.