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Finding the Fourth Proportional to 137,594.10, 206,391.15 and 95,603.70

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Solution

The fourth proportional to 137,594.10, 206,391.15 and 95,603.70 is: 143,405.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,594.10 : 206,391.15 = 95,603.70 : x
  2. Step 2: Convert to fraction form
    137,594.10/206,391.15 = 95,603.70/x
  3. Step 3: Cross multiply
    137,594.10x = 206,391.15 × 95,603.70
  4. Step 4: Simplify right side
    137,594.10x = 19,731,757,587.26
  5. Step 5: Solve for x
    x = 19,731,757,587.26/137,594.10
  6. Step 6: Final answer
    x = 143,405.55

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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.