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Finding the Fourth Proportional to 106,325.29, 146,750.15 and 61,033.89

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Solution

The fourth proportional to 106,325.29, 146,750.15 and 61,033.89 is: 84,238.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,325.29 : 146,750.15 = 61,033.89 : x
  2. Step 2: Convert to fraction form
    106,325.29/146,750.15 = 61,033.89/x
  3. Step 3: Cross multiply
    106,325.29x = 146,750.15 × 61,033.89
  4. Step 4: Simplify right side
    106,325.29x = 8,956,732,665.17
  5. Step 5: Solve for x
    x = 8,956,732,665.17/106,325.29
  6. Step 6: Final answer
    x = 84,238.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.