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Finding the Fourth Proportional to 352,152.60, 528,228.90 and 102,834.60

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Solution

The fourth proportional to 352,152.60, 528,228.90 and 102,834.60 is: 154,251.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,152.60 : 528,228.90 = 102,834.60 : x
  2. Step 2: Convert to fraction form
    352,152.60/528,228.90 = 102,834.60/x
  3. Step 3: Cross multiply
    352,152.60x = 528,228.90 × 102,834.60
  4. Step 4: Simplify right side
    352,152.60x = 54,320,207,639.94
  5. Step 5: Solve for x
    x = 54,320,207,639.94/352,152.60
  6. Step 6: Final answer
    x = 154,251.90

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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.