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Finding the Fourth Proportional to 116,060.16, 160,166.40 and 65,757.44

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Solution

The fourth proportional to 116,060.16, 160,166.40 and 65,757.44 is: 90,747.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,060.16 : 160,166.40 = 65,757.44 : x
  2. Step 2: Convert to fraction form
    116,060.16/160,166.40 = 65,757.44/x
  3. Step 3: Cross multiply
    116,060.16x = 160,166.40 × 65,757.44
  4. Step 4: Simplify right side
    116,060.16x = 10,532,132,438.02
  5. Step 5: Solve for x
    x = 10,532,132,438.02/116,060.16
  6. Step 6: Final answer
    x = 90,747.18

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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.