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Finding the Fourth Proportional to 360,059.99, 539,971.26 and 120,107.76

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Solution

The fourth proportional to 360,059.99, 539,971.26 and 120,107.76 is: 180,122.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,059.99 : 539,971.26 = 120,107.76 : x
  2. Step 2: Convert to fraction form
    360,059.99/539,971.26 = 120,107.76/x
  3. Step 3: Cross multiply
    360,059.99x = 539,971.26 × 120,107.76
  4. Step 4: Simplify right side
    360,059.99x = 64,854,738,502.98
  5. Step 5: Solve for x
    x = 64,854,738,502.98/360,059.99
  6. Step 6: Final answer
    x = 180,122.04

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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.