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Finding the Fourth Proportional to 93,792.36, 140,702.40 and 27,223.86

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Solution

The fourth proportional to 93,792.36, 140,702.40 and 27,223.86 is: 40,839.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,792.36 : 140,702.40 = 27,223.86 : x
  2. Step 2: Convert to fraction form
    93,792.36/140,702.40 = 27,223.86/x
  3. Step 3: Cross multiply
    93,792.36x = 140,702.40 × 27,223.86
  4. Step 4: Simplify right side
    93,792.36x = 3,830,462,439.26
  5. Step 5: Solve for x
    x = 3,830,462,439.26/93,792.36
  6. Step 6: Final answer
    x = 40,839.81

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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.