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Finding the Fourth Proportional to 251,757.96, 347,425.98 and 137,037.04

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Solution

The fourth proportional to 251,757.96, 347,425.98 and 137,037.04 is: 189,111.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,757.96 : 347,425.98 = 137,037.04 : x
  2. Step 2: Convert to fraction form
    251,757.96/347,425.98 = 137,037.04/x
  3. Step 3: Cross multiply
    251,757.96x = 347,425.98 × 137,037.04
  4. Step 4: Simplify right side
    251,757.96x = 47,610,227,918.30
  5. Step 5: Solve for x
    x = 47,610,227,918.30/251,757.96
  6. Step 6: Final answer
    x = 189,111.11

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1.5x scale

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.