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Finding the Fourth Proportional to 285,545.58, 428,016.96 and 95,826.06

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Solution

The fourth proportional to 285,545.58, 428,016.96 and 95,826.06 is: 143,637.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,545.58 : 428,016.96 = 95,826.06 : x
  2. Step 2: Convert to fraction form
    285,545.58/428,016.96 = 95,826.06/x
  3. Step 3: Cross multiply
    285,545.58x = 428,016.96 × 95,826.06
  4. Step 4: Simplify right side
    285,545.58x = 41,015,178,889.98
  5. Step 5: Solve for x
    x = 41,015,178,889.98/285,545.58
  6. Step 6: Final answer
    x = 143,637.94

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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.