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Finding the Fourth Proportional to 208,377.39, 312,529.63 and 58,582.08

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Solution

The fourth proportional to 208,377.39, 312,529.63 and 58,582.08 is: 87,862.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,377.39 : 312,529.63 = 58,582.08 : x
  2. Step 2: Convert to fraction form
    208,377.39/312,529.63 = 58,582.08/x
  3. Step 3: Cross multiply
    208,377.39x = 312,529.63 × 58,582.08
  4. Step 4: Simplify right side
    208,377.39x = 18,308,635,787.03
  5. Step 5: Solve for x
    x = 18,308,635,787.03/208,377.39
  6. Step 6: Final answer
    x = 87,862.87

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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.