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Finding the Fourth Proportional to 101,045.80, 151,568.70 and 65,794.60

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Solution

The fourth proportional to 101,045.80, 151,568.70 and 65,794.60 is: 98,691.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,045.80 : 151,568.70 = 65,794.60 : x
  2. Step 2: Convert to fraction form
    101,045.80/151,568.70 = 65,794.60/x
  3. Step 3: Cross multiply
    101,045.80x = 151,568.70 × 65,794.60
  4. Step 4: Simplify right side
    101,045.80x = 9,972,401,989.02
  5. Step 5: Solve for x
    x = 9,972,401,989.02/101,045.80
  6. Step 6: Final answer
    x = 98,691.90

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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.