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Finding the Fourth Proportional to 271,405.81, 374,495.16 and 150,527.89

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Solution

The fourth proportional to 271,405.81, 374,495.16 and 150,527.89 is: 207,703.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,405.81 : 374,495.16 = 150,527.89 : x
  2. Step 2: Convert to fraction form
    271,405.81/374,495.16 = 150,527.89/x
  3. Step 3: Cross multiply
    271,405.81x = 374,495.16 × 150,527.89
  4. Step 4: Simplify right side
    271,405.81x = 56,371,966,250.01
  5. Step 5: Solve for x
    x = 56,371,966,250.01/271,405.81
  6. Step 6: Final answer
    x = 207,703.61

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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.