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Finding the Fourth Proportional to 250,702.63, 345,949.07 and 137,525.38

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Solution

The fourth proportional to 250,702.63, 345,949.07 and 137,525.38 is: 189,773.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,702.63 : 345,949.07 = 137,525.38 : x
  2. Step 2: Convert to fraction form
    250,702.63/345,949.07 = 137,525.38/x
  3. Step 3: Cross multiply
    250,702.63x = 345,949.07 × 137,525.38
  4. Step 4: Simplify right side
    250,702.63x = 47,576,776,624.77
  5. Step 5: Solve for x
    x = 47,576,776,624.77/250,702.63
  6. Step 6: Final answer
    x = 189,773.74

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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.