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Finding the Fourth Proportional to 208,291.34, 312,437.02 and 58,525.58

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Solution

The fourth proportional to 208,291.34, 312,437.02 and 58,525.58 is: 87,788.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,291.34 : 312,437.02 = 58,525.58 : x
  2. Step 2: Convert to fraction form
    208,291.34/312,437.02 = 58,525.58/x
  3. Step 3: Cross multiply
    208,291.34x = 312,437.02 × 58,525.58
  4. Step 4: Simplify right side
    208,291.34x = 18,285,557,808.97
  5. Step 5: Solve for x
    x = 18,285,557,808.97/208,291.34
  6. Step 6: Final answer
    x = 87,788.37

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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.