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Finding the Fourth Proportional to 271,407.67, 374,559.54 and 156,707.29

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Solution

The fourth proportional to 271,407.67, 374,559.54 and 156,707.29 is: 216,265.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,407.67 : 374,559.54 = 156,707.29 : x
  2. Step 2: Convert to fraction form
    271,407.67/374,559.54 = 156,707.29/x
  3. Step 3: Cross multiply
    271,407.67x = 374,559.54 × 156,707.29
  4. Step 4: Simplify right side
    271,407.67x = 58,696,210,457.05
  5. Step 5: Solve for x
    x = 58,696,210,457.05/271,407.67
  6. Step 6: Final answer
    x = 216,265.85

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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.