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Finding the Fourth Proportional to 107,896.61, 148,903.83 and 60,149.81

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Solution

The fourth proportional to 107,896.61, 148,903.83 and 60,149.81 is: 83,010.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,896.61 : 148,903.83 = 60,149.81 : x
  2. Step 2: Convert to fraction form
    107,896.61/148,903.83 = 60,149.81/x
  3. Step 3: Cross multiply
    107,896.61x = 148,903.83 × 60,149.81
  4. Step 4: Simplify right side
    107,896.61x = 8,956,536,338.25
  5. Step 5: Solve for x
    x = 8,956,536,338.25/107,896.61
  6. Step 6: Final answer
    x = 83,010.36

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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.