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Finding the Fourth Proportional to 137,515.70, 206,284.35 and 58,630.52

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Solution

The fourth proportional to 137,515.70, 206,284.35 and 58,630.52 is: 87,950.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,515.70 : 206,284.35 = 58,630.52 : x
  2. Step 2: Convert to fraction form
    137,515.70/206,284.35 = 58,630.52/x
  3. Step 3: Cross multiply
    137,515.70x = 206,284.35 × 58,630.52
  4. Step 4: Simplify right side
    137,515.70x = 12,094,558,708.36
  5. Step 5: Solve for x
    x = 12,094,558,708.36/137,515.70
  6. Step 6: Final answer
    x = 87,950.38

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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.