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Finding the Fourth Proportional to 208,677.39, 313,034.85 and 58,919.19

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Solution

The fourth proportional to 208,677.39, 313,034.85 and 58,919.19 is: 88,384.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,677.39 : 313,034.85 = 58,919.19 : x
  2. Step 2: Convert to fraction form
    208,677.39/313,034.85 = 58,919.19/x
  3. Step 3: Cross multiply
    208,677.39x = 313,034.85 × 58,919.19
  4. Step 4: Simplify right side
    208,677.39x = 18,443,759,803.77
  5. Step 5: Solve for x
    x = 18,443,759,803.77/208,677.39
  6. Step 6: Final answer
    x = 88,384.08

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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.