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Finding the Fourth Proportional to 118,995.67, 178,492.14 and 40,165.26

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Solution

The fourth proportional to 118,995.67, 178,492.14 and 40,165.26 is: 60,247.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,995.67 : 178,492.14 = 40,165.26 : x
  2. Step 2: Convert to fraction form
    118,995.67/178,492.14 = 40,165.26/x
  3. Step 3: Cross multiply
    118,995.67x = 178,492.14 × 40,165.26
  4. Step 4: Simplify right side
    118,995.67x = 7,169,183,211.06
  5. Step 5: Solve for x
    x = 7,169,183,211.06/118,995.67
  6. Step 6: Final answer
    x = 60,247.43

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1.5x scale

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.