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Finding the Fourth Proportional to 61,737.96, 85,120.96 and 50,395.94

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Solution

The fourth proportional to 61,737.96, 85,120.96 and 50,395.94 is: 69,483.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,737.96 : 85,120.96 = 50,395.94 : x
  2. Step 2: Convert to fraction form
    61,737.96/85,120.96 = 50,395.94/x
  3. Step 3: Cross multiply
    61,737.96x = 85,120.96 × 50,395.94
  4. Step 4: Simplify right side
    61,737.96x = 4,289,750,792.90
  5. Step 5: Solve for x
    x = 4,289,750,792.90/61,737.96
  6. Step 6: Final answer
    x = 69,483.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.