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Finding the Fourth Proportional to 116,060.34, 160,165.70 and 65,759.34

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Solution

The fourth proportional to 116,060.34, 160,165.70 and 65,759.34 is: 90,749.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,060.34 : 160,165.70 = 65,759.34 : x
  2. Step 2: Convert to fraction form
    116,060.34/160,165.70 = 65,759.34/x
  3. Step 3: Cross multiply
    116,060.34x = 160,165.70 × 65,759.34
  4. Step 4: Simplify right side
    116,060.34x = 10,532,391,610.96
  5. Step 5: Solve for x
    x = 10,532,391,610.96/116,060.34
  6. Step 6: Final answer
    x = 90,749.27

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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.