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Finding the Fourth Proportional to 93,915.22, 140,895.78 and 27,354.28

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Solution

The fourth proportional to 93,915.22, 140,895.78 and 27,354.28 is: 41,038.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,915.22 : 140,895.78 = 27,354.28 : x
  2. Step 2: Convert to fraction form
    93,915.22/140,895.78 = 27,354.28/x
  3. Step 3: Cross multiply
    93,915.22x = 140,895.78 × 27,354.28
  4. Step 4: Simplify right side
    93,915.22x = 3,854,102,616.94
  5. Step 5: Solve for x
    x = 3,854,102,616.94/93,915.22
  6. Step 6: Final answer
    x = 41,038.10

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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.