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Finding the Fourth Proportional to 208,704.16, 313,050.66 and 58,954.78

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Solution

The fourth proportional to 208,704.16, 313,050.66 and 58,954.78 is: 88,430.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,704.16 : 313,050.66 = 58,954.78 : x
  2. Step 2: Convert to fraction form
    208,704.16/313,050.66 = 58,954.78/x
  3. Step 3: Cross multiply
    208,704.16x = 313,050.66 × 58,954.78
  4. Step 4: Simplify right side
    208,704.16x = 18,455,832,789.15
  5. Step 5: Solve for x
    x = 18,455,832,789.15/208,704.16
  6. Step 6: Final answer
    x = 88,430.59

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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.