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Finding the Fourth Proportional to 352,847.08, 529,358.46 and 103,529.80

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Solution

The fourth proportional to 352,847.08, 529,358.46 and 103,529.80 is: 155,320.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,847.08 : 529,358.46 = 103,529.80 : x
  2. Step 2: Convert to fraction form
    352,847.08/529,358.46 = 103,529.80/x
  3. Step 3: Cross multiply
    352,847.08x = 529,358.46 × 103,529.80
  4. Step 4: Simplify right side
    352,847.08x = 54,804,375,492.11
  5. Step 5: Solve for x
    x = 54,804,375,492.11/352,847.08
  6. Step 6: Final answer
    x = 155,320.47

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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.