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Finding the Fourth Proportional to 93,774.88, 140,662.32 and 28,110.88

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Solution

The fourth proportional to 93,774.88, 140,662.32 and 28,110.88 is: 42,166.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,774.88 : 140,662.32 = 28,110.88 : x
  2. Step 2: Convert to fraction form
    93,774.88/140,662.32 = 28,110.88/x
  3. Step 3: Cross multiply
    93,774.88x = 140,662.32 × 28,110.88
  4. Step 4: Simplify right side
    93,774.88x = 3,954,140,754.18
  5. Step 5: Solve for x
    x = 3,954,140,754.18/93,774.88
  6. Step 6: Final answer
    x = 42,166.31

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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.