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Finding the Fourth Proportional to 144,479.70, 216,622.35 and 65,553.30

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Solution

The fourth proportional to 144,479.70, 216,622.35 and 65,553.30 is: 98,285.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,479.70 : 216,622.35 = 65,553.30 : x
  2. Step 2: Convert to fraction form
    144,479.70/216,622.35 = 65,553.30/x
  3. Step 3: Cross multiply
    144,479.70x = 216,622.35 × 65,553.30
  4. Step 4: Simplify right side
    144,479.70x = 14,200,309,896.26
  5. Step 5: Solve for x
    x = 14,200,309,896.26/144,479.70
  6. Step 6: Final answer
    x = 98,285.85

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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.