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Finding the Fourth Proportional to 271,999.44, 375,354.27 and 151,138.53

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Solution

The fourth proportional to 271,999.44, 375,354.27 and 151,138.53 is: 208,568.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,999.44 : 375,354.27 = 151,138.53 : x
  2. Step 2: Convert to fraction form
    271,999.44/375,354.27 = 151,138.53/x
  3. Step 3: Cross multiply
    271,999.44x = 375,354.27 × 151,138.53
  4. Step 4: Simplify right side
    271,999.44x = 56,730,492,597.02
  5. Step 5: Solve for x
    x = 56,730,492,597.02/271,999.44
  6. Step 6: Final answer
    x = 208,568.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.