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Finding the Fourth Proportional to 208,335.36, 312,521.50 and 58,576.96

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Solution

The fourth proportional to 208,335.36, 312,521.50 and 58,576.96 is: 87,870.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,335.36 : 312,521.50 = 58,576.96 : x
  2. Step 2: Convert to fraction form
    208,335.36/312,521.50 = 58,576.96/x
  3. Step 3: Cross multiply
    208,335.36x = 312,521.50 × 58,576.96
  4. Step 4: Simplify right side
    208,335.36x = 18,306,557,842.03
  5. Step 5: Solve for x
    x = 18,306,557,842.03/208,335.36
  6. Step 6: Final answer
    x = 87,870.62

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.