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Finding the Fourth Proportional to 208,757.34, 313,156.44 and 58,998.78

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Solution

The fourth proportional to 208,757.34, 313,156.44 and 58,998.78 is: 88,503.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,757.34 : 313,156.44 = 58,998.78 : x
  2. Step 2: Convert to fraction form
    208,757.34/313,156.44 = 58,998.78/x
  3. Step 3: Cross multiply
    208,757.34x = 313,156.44 × 58,998.78
  4. Step 4: Simplify right side
    208,757.34x = 18,475,847,909.14
  5. Step 5: Solve for x
    x = 18,475,847,909.14/208,757.34
  6. Step 6: Final answer
    x = 88,503.94

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1.5x scale

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.