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Finding the Fourth Proportional to 93,661.80, 140,492.70 and 27,104.10

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Solution

The fourth proportional to 93,661.80, 140,492.70 and 27,104.10 is: 40,656.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,661.80 : 140,492.70 = 27,104.10 : x
  2. Step 2: Convert to fraction form
    93,661.80/140,492.70 = 27,104.10/x
  3. Step 3: Cross multiply
    93,661.80x = 140,492.70 × 27,104.10
  4. Step 4: Simplify right side
    93,661.80x = 3,807,928,190.07
  5. Step 5: Solve for x
    x = 3,807,928,190.07/93,661.80
  6. Step 6: Final answer
    x = 40,656.15

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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.