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Finding the Fourth Proportional to 271,918.68, 375,247.44 and 151,071.12

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Solution

The fourth proportional to 271,918.68, 375,247.44 and 151,071.12 is: 208,477.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,918.68 : 375,247.44 = 151,071.12 : x
  2. Step 2: Convert to fraction form
    271,918.68/375,247.44 = 151,071.12/x
  3. Step 3: Cross multiply
    271,918.68x = 375,247.44 × 151,071.12
  4. Step 4: Simplify right side
    271,918.68x = 56,689,051,037.93
  5. Step 5: Solve for x
    x = 56,689,051,037.93/271,918.68
  6. Step 6: Final answer
    x = 208,477.96

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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.