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Finding the Fourth Proportional to 357,224.04, 535,785.57 and 120,535.56

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Solution

The fourth proportional to 357,224.04, 535,785.57 and 120,535.56 is: 180,786.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,224.04 : 535,785.57 = 120,535.56 : x
  2. Step 2: Convert to fraction form
    357,224.04/535,785.57 = 120,535.56/x
  3. Step 3: Cross multiply
    357,224.04x = 535,785.57 × 120,535.56
  4. Step 4: Simplify right side
    357,224.04x = 64,581,213,719.87
  5. Step 5: Solve for x
    x = 64,581,213,719.87/357,224.04
  6. Step 6: Final answer
    x = 180,786.30

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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.