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Finding the Fourth Proportional to 271,492.30, 374,564.10 and 156,767.68

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Solution

The fourth proportional to 271,492.30, 374,564.10 and 156,767.68 is: 216,284.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,492.30 : 374,564.10 = 156,767.68 : x
  2. Step 2: Convert to fraction form
    271,492.30/374,564.10 = 156,767.68/x
  3. Step 3: Cross multiply
    271,492.30x = 374,564.10 × 156,767.68
  4. Step 4: Simplify right side
    271,492.30x = 58,719,544,968.29
  5. Step 5: Solve for x
    x = 58,719,544,968.29/271,492.30
  6. Step 6: Final answer
    x = 216,284.38

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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.