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Finding the Fourth Proportional to 96,600.70, 144,901.05 and 65,107.90

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Solution

The fourth proportional to 96,600.70, 144,901.05 and 65,107.90 is: 97,661.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,600.70 : 144,901.05 = 65,107.90 : x
  2. Step 2: Convert to fraction form
    96,600.70/144,901.05 = 65,107.90/x
  3. Step 3: Cross multiply
    96,600.70x = 144,901.05 × 65,107.90
  4. Step 4: Simplify right side
    96,600.70x = 9,434,203,073.30
  5. Step 5: Solve for x
    x = 9,434,203,073.30/96,600.70
  6. Step 6: Final answer
    x = 97,661.85

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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.