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Finding the Fourth Proportional to 312,599.36, 468,894.94 and 75,941.36

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Solution

The fourth proportional to 312,599.36, 468,894.94 and 75,941.36 is: 113,911.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,599.36 : 468,894.94 = 75,941.36 : x
  2. Step 2: Convert to fraction form
    312,599.36/468,894.94 = 75,941.36/x
  3. Step 3: Cross multiply
    312,599.36x = 468,894.94 × 75,941.36
  4. Step 4: Simplify right side
    312,599.36x = 35,608,518,664.75
  5. Step 5: Solve for x
    x = 35,608,518,664.75/312,599.36
  6. Step 6: Final answer
    x = 113,911.04

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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.