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Finding the Fourth Proportional to 208,607.18, 312,932.64 and 58,846.28

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Solution

The fourth proportional to 208,607.18, 312,932.64 and 58,846.28 is: 88,275.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,607.18 : 312,932.64 = 58,846.28 : x
  2. Step 2: Convert to fraction form
    208,607.18/312,932.64 = 58,846.28/x
  3. Step 3: Cross multiply
    208,607.18x = 312,932.64 × 58,846.28
  4. Step 4: Simplify right side
    208,607.18x = 18,414,921,754.58
  5. Step 5: Solve for x
    x = 18,414,921,754.58/208,607.18
  6. Step 6: Final answer
    x = 88,275.59

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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.