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Finding the Fourth Proportional to 208,750.30, 313,145.94 and 58,991.74

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Solution

The fourth proportional to 208,750.30, 313,145.94 and 58,991.74 is: 88,493.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,750.30 : 313,145.94 = 58,991.74 : x
  2. Step 2: Convert to fraction form
    208,750.30/313,145.94 = 58,991.74/x
  3. Step 3: Cross multiply
    208,750.30x = 313,145.94 × 58,991.74
  4. Step 4: Simplify right side
    208,750.30x = 18,473,023,874.54
  5. Step 5: Solve for x
    x = 18,473,023,874.54/208,750.30
  6. Step 6: Final answer
    x = 88,493.40

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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.