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Finding the Fourth Proportional to 351,900.73, 527,851.19 and 127,256.14

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Solution

The fourth proportional to 351,900.73, 527,851.19 and 127,256.14 is: 190,884.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,900.73 : 527,851.19 = 127,256.14 : x
  2. Step 2: Convert to fraction form
    351,900.73/527,851.19 = 127,256.14/x
  3. Step 3: Cross multiply
    351,900.73x = 527,851.19 × 127,256.14
  4. Step 4: Simplify right side
    351,900.73x = 67,172,304,933.81
  5. Step 5: Solve for x
    x = 67,172,304,933.81/351,900.73
  6. Step 6: Final answer
    x = 190,884.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.