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Finding the Fourth Proportional to 245,227.91, 367,983.81 and 103,061.97

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Solution

The fourth proportional to 245,227.91, 367,983.81 and 103,061.97 is: 154,652.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,227.91 : 367,983.81 = 103,061.97 : x
  2. Step 2: Convert to fraction form
    245,227.91/367,983.81 = 103,061.97/x
  3. Step 3: Cross multiply
    245,227.91x = 367,983.81 × 103,061.97
  4. Step 4: Simplify right side
    245,227.91x = 37,925,136,386.71
  5. Step 5: Solve for x
    x = 37,925,136,386.71/245,227.91
  6. Step 6: Final answer
    x = 154,652.61

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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.