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Finding the Fourth Proportional to 271,903.80, 375,216.81 and 151,052.67

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Solution

The fourth proportional to 271,903.80, 375,216.81 and 151,052.67 is: 208,446.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,903.80 : 375,216.81 = 151,052.67 : x
  2. Step 2: Convert to fraction form
    271,903.80/375,216.81 = 151,052.67/x
  3. Step 3: Cross multiply
    271,903.80x = 375,216.81 × 151,052.67
  4. Step 4: Simplify right side
    271,903.80x = 56,677,500,979.38
  5. Step 5: Solve for x
    x = 56,677,500,979.38/271,903.80
  6. Step 6: Final answer
    x = 208,446.89

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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.